{"product_id":"mini-stirling-engine-generator-kit-real-moving-piston-flywheel-metal-science-model-for-adults","title":"Mini Stirling Engine Generator Kit – Real Moving Piston \u0026 Flywheel, Metal Science Model for Adults","description":"\u003cstyle\u003e\n\/* STIRLING ENGINE PRODUCT PAGE *\/\n.stirling-pdp{\n  --gold:#B78332;\n  --gold-light:#F3E4C4;\n  --dark:#25221F;\n  --muted:#6B6257;\n  --cream:#F8F6F1;\n  --white:#FFFFFF;\n  --line:#E8D9BD;\n  --star:#F59E0B;\n  color:var(--dark);\n  font-family:inherit;\n  background:transparent;\n  width:100%;\n  max-width:860px;\n  margin:0 auto;\n  box-sizing:border-box;\n  line-height:1.6;\n}\n.stirling-pdp *,\n.stirling-pdp *:before,\n.stirling-pdp *:after{box-sizing:border-box}\n.stirling-pdp .pdp-block-card,\n.stirling-pdp .pdp-feature-card-v{\n  background:var(--cream);\n  border:0;\n  border-radius:12px;\n  box-shadow:0 5px 20px rgba(45,34,17,.075);\n  padding:24px;\n  margin:0 0 20px;\n  overflow:hidden;\n}\n.stirling-pdp img{\n  display:block;\n  width:100%;\n  height:auto;\n  border-radius:8px!important;\n}\n.stirling-pdp .pdp-image{\n  width:100%;\n  margin-top:18px;\n}\n.stirling-pdp h2,\n.stirling-pdp h3,\n.stirling-pdp p{margin:0}\n.stirling-pdp h2{\n  font-family:inherit;\n  font-size:30px;\n  line-height:1.2;\n  font-weight:800;\n  letter-spacing:-.5px;\n  margin:12px 0;\n  color:var(--dark);\n}\n.stirling-pdp h3{\n  font-size:25px;\n  line-height:1.24;\n  font-weight:800;\n  margin:10px 0;\n  color:var(--dark);\n}\n.stirling-pdp p{\n  color:var(--muted);\n  font-size:16px;\n  line-height:1.7;\n}\n.stirling-pdp strong{color:var(--dark)}\n.stirling-pdp .accent{color:var(--gold)}\n.stirling-pdp .pdp-label{\n  display:inline-flex;\n  align-items:center;\n  gap:6px;\n  background:var(--gold-light);\n  color:#795015;\n  border-radius:30px;\n  padding:6px 12px;\n  font-size:11px;\n  line-height:1.3;\n  font-weight:800;\n  text-transform:uppercase;\n  letter-spacing:1.1px;\n}\n.stirling-pdp .pdp-top-center{text-align:center}\n.stirling-pdp .pdp-top-center p{max-width:620px;margin:auto}\n.stirling-pdp .pdp-divider{\n  height:2px;\n  width:48px;\n  background:var(--gold);\n  margin:13px 0 18px;\n  border-radius:10px;\n}\n.stirling-pdp .pdp-top-center .pdp-divider{margin:13px auto 18px}\n.stirling-pdp .pdp-stars{\n  color:var(--star);\n  font-size:20px;\n  letter-spacing:2px;\n  line-height:1;\n}\n.stirling-pdp .pdp-rating{\n  display:flex;\n  flex-wrap:wrap;\n  justify-content:center;\n  align-items:center;\n  gap:9px;\n  margin:15px 0;\n  font-size:13px;\n}\n.stirling-pdp .pdp-rating span:last-child{color:var(--muted)}\n.stirling-pdp .pdp-note{\n  font-size:12px;\n  color:#82796F;\n  margin-top:9px;\n}\n.stirling-pdp .pdp-button{\n  display:block;\n  width:100%;\n  max-width:340px;\n  margin:20px auto 0;\n  text-align:center;\n  text-decoration:none;\n  background:var(--dark);\n  color:white!important;\n  border-radius:9px;\n  padding:15px;\n  font-size:15px;\n  font-weight:800;\n  letter-spacing:.5px;\n  transition:background .2s;\n}\n.stirling-pdp .pdp-button:hover{background:#7B5528}\n\n\/* HERO *\/\n.stirling-pdp .pdp-hero{\n  text-align:center;\n  background:linear-gradient(155deg,#FFFCF6 0%,#F4E7D2 100%);\n}\n.stirling-pdp .pdp-hero h2{\n  font-size:36px;\n  line-height:1.13;\n  margin:16px 0;\n}\n.stirling-pdp .pdp-hero-copy{\n  max-width:580px;\n  margin:auto;\n}\n.stirling-pdp .pdp-hero-tags{\n  display:flex;\n  justify-content:center;\n  flex-wrap:wrap;\n  gap:7px;\n  margin:16px 0 8px;\n}\n.stirling-pdp .pdp-hero-tags span{\n  background:#FFF;\n  color:#75532A;\n  padding:7px 10px;\n  border-radius:20px;\n  font-size:11px;\n  font-weight:700;\n}\n\n\/* MOVING BANNER *\/\n.stirling-pdp .pdp-marquee{\n  overflow:hidden;\n  background:var(--dark);\n  color:#F5DAA1;\n  border-radius:10px;\n  margin:0 0 20px;\n  padding:13px 0;\n}\n.stirling-pdp .pdp-marquee-track{\n  display:flex;\n  align-items:center;\n  width:max-content;\n  animation:stirling-scroll 24s linear infinite;\n}\n.stirling-pdp .pdp-marquee-group{\n  display:flex;\n  align-items:center;\n  flex:none;\n  gap:30px;\n  padding-right:30px;\n}\n.stirling-pdp .pdp-marquee-item{\n  font-size:13px;\n  white-space:nowrap;\n  font-weight:800;\n  text-transform:uppercase;\n  letter-spacing:.7px;\n}\n.stirling-pdp .pdp-marquee-dot{color:#E3A43F}\n@keyframes stirling-scroll{\n  from{transform:translateX(0)}\n  to{transform:translateX(-50%)}\n}\n@media(prefers-reduced-motion:reduce){\n .stirling-pdp .pdp-marquee-track{animation:none;flex-wrap:wrap;width:100%;justify-content:center}\n}\n\n\/* BENEFIT CARDS *\/\n.stirling-pdp .pdp-features-heading{\n  text-align:center;\n  margin:28px 0 18px;\n}\n.stirling-pdp .pdp-feature-card-v{\n  background:linear-gradient(145deg,#FCFAF6,#F6F0E5);\n}\n.stirling-pdp .pdp-feature-top{\n  display:flex;\n  align-items:center;\n  gap:11px;\n  margin-bottom:6px;\n}\n.stirling-pdp .pdp-feature-number{\n  flex:0 0 37px;\n  width:37px;\n  height:37px;\n  display:flex;\n  align-items:center;\n  justify-content:center;\n  border-radius:50%;\n  background:var(--star);\n  color:var(--dark);\n  font-size:16px;\n  font-weight:900;\n}\n.stirling-pdp .pdp-feature-chip{\n  color:#88602A;\n  background:#F3E4C4;\n  padding:5px 10px;\n  border-radius:6px;\n  font-size:11px;\n  font-weight:800;\n  letter-spacing:.7px;\n}\n.stirling-pdp .pdp-benefit-strip{\n  display:grid;\n  grid-template-columns:repeat(3,minmax(0,1fr));\n  gap:9px;\n  margin:0 0 22px;\n}\n.stirling-pdp .pdp-benefit-mini{\n  border-radius:10px;\n  padding:15px 8px;\n  text-align:center;\n  background:#EEE2CC;\n  color:#5E472A;\n  font-size:12px;\n  font-weight:800;\n  line-height:1.45;\n}\n.stirling-pdp .pdp-benefit-mini b{\n  display:block;\n  font-size:22px;\n  margin-bottom:7px;\n  color:var(--gold);\n}\n\n\/* STEP CARDS *\/\n.stirling-pdp .pdp-step{\n  display:flex;\n  align-items:flex-start;\n  gap:12px;\n  background:white;\n  padding:14px;\n  border-radius:10px;\n  margin-top:10px;\n}\n.stirling-pdp .pdp-step-num{\n  flex:0 0 34px;\n  height:34px;\n  background:var(--star);\n  color:#30200D;\n  font-size:15px;\n  font-weight:900;\n  display:flex;\n  align-items:center;\n  justify-content:center;\n  border-radius:50%;\n}\n.stirling-pdp .pdp-step h4{\n  font-size:15px;\n  line-height:1.35;\n  margin:0 0 4px;\n  font-weight:800;\n}\n.stirling-pdp .pdp-step p{font-size:13px}\n.stirling-pdp .pdp-warning{\n  background:#FFF1DB;\n  color:#6E4719;\n  font-size:12px;\n  line-height:1.65;\n  padding:13px;\n  margin-top:15px;\n  border-left:3px solid var(--star);\n  border-radius:6px;\n}\n\n\/* SPECIFICATIONS *\/\n.stirling-pdp .pdp-spec-table{\n  border-collapse:collapse;\n  width:100%;\n  font-size:14px;\n  margin-top:15px;\n  background:white;\n  border-radius:8px;\n  overflow:hidden;\n}\n.stirling-pdp .pdp-spec-table tr:not(:last-child){\n  border-bottom:1px solid #ECE5D9;\n}\n.stirling-pdp .pdp-spec-table td{\n  padding:12px 10px;\n  vertical-align:top;\n}\n.stirling-pdp .pdp-spec-table td:first-child{\n  width:43%;\n  font-weight:800;\n  color:#6E532F;\n}\n.stirling-pdp .pdp-spec-table td:last-child{color:#453F38}\n.stirling-pdp .pdp-included{\n  background:white;\n  padding:15px;\n  border-radius:10px;\n  margin-top:15px;\n}\n.stirling-pdp .pdp-included p{font-size:13px}\n\n\/* FAQ *\/\n.stirling-pdp .pdp-faq{\n  border-bottom:1px solid var(--line);\n}\n.stirling-pdp .pdp-faq summary{\n  list-style:none;\n  cursor:pointer;\n  display:flex;\n  align-items:center;\n  justify-content:space-between;\n  gap:12px;\n  padding:17px 0;\n  font-size:15px;\n  line-height:1.5;\n  font-weight:800;\n  color:var(--dark);\n}\n.stirling-pdp .pdp-faq summary::-webkit-details-marker{display:none}\n.stirling-pdp .pdp-faq summary:after{\n  content:\"+\";\n  flex:0 0 27px;\n  height:27px;\n  border-radius:50%;\n  background:var(--gold-light);\n  color:#75511F;\n  display:flex;\n  align-items:center;\n  justify-content:center;\n  font-size:20px;\n  font-weight:500;\n}\n.stirling-pdp .pdp-faq[open] summary:after{content:\"−\"}\n.stirling-pdp .pdp-faq p{\n  font-size:14px;\n  padding:0 0 17px;\n}\n\n\/* WHY US *\/\n.stirling-pdp .pdp-why-grid{\n  display:grid;\n  grid-template-columns:1fr 1fr;\n  gap:10px;\n  margin:17px 0;\n}\n.stirling-pdp .pdp-why-item{\n  border:1.5px solid var(--gold);\n  border-radius:10px;\n  background:#FFFEFB;\n  min-height:89px;\n  display:flex;\n  flex-direction:column;\n  align-items:center;\n  justify-content:center;\n  text-align:center;\n  padding:13px 8px;\n  gap:6px;\n}\n.stirling-pdp .pdp-why-item span{font-size:22px}\n.stirling-pdp .pdp-why-item b{\n  font-size:13px;\n  line-height:1.4;\n}\n\n\/* TRUST *\/\n.stirling-pdp .pdp-trust-row{\n  display:grid;\n  grid-template-columns:repeat(3,minmax(0,1fr));\n  gap:8px;\n  margin-top:17px;\n}\n.stirling-pdp .pdp-trust-item{\n  text-align:center;\n  background:#FFF;\n  padding:12px 7px;\n  border-radius:9px;\n  font-size:11px;\n  line-height:1.4;\n  font-weight:700;\n  color:#685337;\n}\n.stirling-pdp .pdp-trust-item span{\n  display:block;\n  font-size:24px;\n  margin-bottom:6px;\n}\n\n\/* SHIPPING *\/\n.stirling-pdp .pdp-delivery-item{\n  display:flex;\n  align-items:flex-start;\n  gap:12px;\n  border:1.5px solid var(--gold);\n  background:#FFFEFB;\n  border-radius:9px;\n  padding:14px;\n  margin-top:10px;\n}\n.stirling-pdp .pdp-delivery-icon{font-size:23px;line-height:1.2}\n.stirling-pdp .pdp-delivery-item h4{\n  margin:0 0 4px;\n  font-size:15px;\n  font-weight:800;\n}\n.stirling-pdp .pdp-delivery-item p{font-size:13px}\n\n\/* REVIEWS *\/\n.stirling-pdp .pdp-review-overview{\n  background:#FFF;\n  padding:16px;\n  border-radius:10px;\n  margin-top:16px;\n}\n.stirling-pdp .pdp-rating-large{\n  text-align:center;\n}\n.stirling-pdp .pdp-rating-large b{\n  font-size:38px;\n  color:var(--dark);\n  line-height:1;\n}\n.stirling-pdp .pdp-review-bar-row{\n  display:grid;\n  grid-template-columns:52px minmax(0,1fr) 32px;\n  gap:8px;\n  align-items:center;\n  font-size:12px;\n  color:#625B51;\n  margin-top:10px;\n}\n.stirling-pdp .pdp-review-bar{\n  width:100%;\n  height:8px;\n  background:#F0E7DA;\n  border-radius:20px;\n  overflow:hidden;\n}\n.stirling-pdp .pdp-review-fill{\n  height:100%;\n  border-radius:20px;\n  background:linear-gradient(90deg,#EBAE41,#B78134);\n}\n.stirling-pdp .pdp-ai-box{\n  margin-top:16px;\n  padding:15px;\n  background:#F1E6D2;\n  border-radius:10px;\n}\n.stirling-pdp .pdp-ai-box b{\n  display:block;\n  font-size:13px;\n  margin-bottom:5px;\n  color:#76511F;\n}\n.stirling-pdp .pdp-ai-box p{font-size:13px}\n.stirling-pdp .pdp-review-card{\n  background:#FFF;\n  border-radius:10px;\n  padding:16px;\n  margin-top:12px;\n}\n.stirling-pdp .pdp-review-head{\n  display:flex;\n  align-items:center;\n  justify-content:space-between;\n  gap:8px;\n  margin-bottom:7px;\n}\n.stirling-pdp .pdp-review-head b{font-size:14px}\n.stirling-pdp .pdp-review-card p{font-size:13px}\n.stirling-pdp .pdp-disclaimer{\n  font-size:11px;\n  color:#83776B;\n  margin-top:10px;\n  line-height:1.5;\n}\n\n@media(max-width:480px){\n .stirling-pdp .pdp-block-card,\n .stirling-pdp .pdp-feature-card-v{\n   padding:18px 16px;\n   margin-bottom:16px;\n }\n .stirling-pdp h2{font-size:26px}\n .stirling-pdp h3{font-size:23px}\n .stirling-pdp .pdp-hero h2{font-size:32px}\n .stirling-pdp p{font-size:15px}\n .stirling-pdp .pdp-marquee{margin-bottom:16px}\n .stirling-pdp .pdp-benefit-mini{font-size:11px;padding:13px 5px}\n .stirling-pdp .pdp-feature-card-v{padding:19px 16px}\n}\n\u003c\/style\u003e\n\u003cdiv class=\"stirling-pdp\" id=\"stirling-pdp\"\u003e\n\u003c!-- 01 HERO --\u003e\n\u003csection class=\"pdp-block-card pdp-hero\"\u003e\n\u003cdiv class=\"pdp-label\"\u003e⚙️ Mechanical Science Collection\u003c\/div\u003e\n\u003ch2\u003eWatch Science\u003cbr\u003e\u003cspan class=\"accent\"\u003eCome to Life.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"pdp-hero-copy\"\u003eDiscover the beauty of moving machinery with a \u003cstrong\u003ereal working Stirling engine model\u003c\/strong\u003e. Watch heat turn into motion through its fascinating piston and flywheel mechanism.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/gif_-_2026-11-11T035036.323.gif?v=1794387274\" alt=\"\" width=\"656\" height=\"820\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"pdp-hero-tags\"\u003e\n\u003cspan\u003e⚙️ Working Engine\u003c\/span\u003e \u003cspan\u003e🔥 Heat Powered\u003c\/span\u003e \u003cspan\u003e🎁 Science Gift\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- MOVING BENEFITS BANNER --\u003e\n\u003cdiv class=\"pdp-marquee\" aria-label=\"Product highlights\"\u003e\n\u003cdiv class=\"pdp-marquee-track\"\u003e\n\u003cdiv class=\"pdp-marquee-group\"\u003e\n\u003cspan class=\"pdp-marquee-item\"\u003e⚙️ Real Moving Engine\u003c\/span\u003e \u003cspan class=\"pdp-marquee-dot\"\u003e✦\u003c\/span\u003e \u003cspan class=\"pdp-marquee-item\"\u003e🔥 Heat Into Motion\u003c\/span\u003e \u003cspan class=\"pdp-marquee-dot\"\u003e✦\u003c\/span\u003e \u003cspan class=\"pdp-marquee-item\"\u003e🎁 Perfect for Science Lovers\u003c\/span\u003e \u003cspan class=\"pdp-marquee-dot\"\u003e✦\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-marquee-group\" aria-hidden=\"true\"\u003e\n\u003cspan class=\"pdp-marquee-item\"\u003e⚙️ Real Moving Engine\u003c\/span\u003e \u003cspan class=\"pdp-marquee-dot\"\u003e✦\u003c\/span\u003e \u003cspan class=\"pdp-marquee-item\"\u003e🔥 Heat Into Motion\u003c\/span\u003e \u003cspan class=\"pdp-marquee-dot\"\u003e✦\u003c\/span\u003e \u003cspan class=\"pdp-marquee-item\"\u003e🎁 Perfect for Science Lovers\u003c\/span\u003e \u003cspan class=\"pdp-marquee-dot\"\u003e✦\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 02 PAIN POINT --\u003e\n\u003csection class=\"pdp-block-card pdp-top-center\"\u003e\n\u003cdiv class=\"pdp-label\"\u003e⚠️ Beyond Ordinary Models\u003c\/div\u003e\n\u003ch2\u003eMore Than a Display.\u003cbr\u003e\u003cspan class=\"accent\"\u003eA Real Experience.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"pdp-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eWhy settle for a static ornament? This working engine lets you \u003cstrong\u003esee pistons move, gears turn, and mechanical energy come to life\u003c\/strong\u003e right before your eyes.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/02-static-vs-motion.png?v=1794387993\" alt=\"\"\u003e\u003cbr\u003e\u003c\/section\u003e\n\u003c!-- 03 KEY FEATURES --\u003e\n\u003cdiv class=\"pdp-features-heading\"\u003e\n\u003cspan class=\"pdp-label\"\u003e✨ Key Features\u003c\/span\u003e\n\u003ch2\u003eSmall Engine.\u003cbr\u003e\u003cspan class=\"accent\"\u003eBig Fascination.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURE 01 --\u003e\n\u003csection class=\"pdp-feature-card-v\"\u003e\n\u003cdiv class=\"pdp-feature-top\"\u003e\n\u003cspan class=\"pdp-feature-number\"\u003e1\u003c\/span\u003e \u003cspan class=\"pdp-feature-chip\"\u003eREAL MECHANICAL MOTION\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWatch \u003cspan class=\"accent\"\u003eHeat Become Motion.\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe alcohol burner heats the engine's working chamber, helping drive the piston and flywheel. Watch the smooth mechanical movement and \u003cstrong\u003eexplore how thermal energy becomes mechanical work\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/03-stem-learning-lab.png?v=1794387993\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- FEATURE 02 --\u003e\n\u003csection class=\"pdp-feature-card-v\"\u003e\n\u003cdiv class=\"pdp-feature-top\"\u003e\n\u003cspan class=\"pdp-feature-number\"\u003e2\u003c\/span\u003e \u003cspan class=\"pdp-feature-chip\"\u003eMINI GENERATOR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSee \u003cspan class=\"accent\"\u003eEnergy Conversion\u003c\/span\u003e in Action.\u003c\/h3\u003e\n\u003cp\u003eThe belt-driven generator connects to the flywheel, demonstrating how mechanical rotation can produce electrical energy. A fascinating way to explore \u003cstrong\u003ephysics, engineering, and energy conversion\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/04-heat-to-motion.png?v=1794387993\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- FEATURE 03 --\u003e\n\u003csection class=\"pdp-feature-card-v\"\u003e\n\u003cdiv class=\"pdp-feature-top\"\u003e\n\u003cspan class=\"pdp-feature-number\"\u003e3\u003c\/span\u003e \u003cspan class=\"pdp-feature-chip\"\u003eMETAL CRAFTSMANSHIP\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBuilt to \u003cspan class=\"accent\"\u003eImpress.\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe polished metal components, exposed mechanical details, and striking gold-tone finish create a beautiful tabletop piece. \u003cstrong\u003eMechanical engineering meets decorative design\u003c\/strong\u003e for your study, office, or hobby collection.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/05-metal-detail.png?v=1794387993\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- FEATURE 04 --\u003e\n\u003csection class=\"pdp-feature-card-v\"\u003e\n\u003cdiv class=\"pdp-feature-top\"\u003e\n\u003cspan class=\"pdp-feature-number\"\u003e4\u003c\/span\u003e \u003cspan class=\"pdp-feature-chip\"\u003eLEARN \u0026amp; DISCOVER\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch3\u003eA Gift for \u003cspan class=\"accent\"\u003eCurious Minds.\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eFrom STEM learning to desktop collecting, this miniature engine makes science more engaging. An interesting gift for \u003cstrong\u003emechanical enthusiasts, students, teachers, and engineering hobbyists\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/06-collector-display.png?v=1794387993\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- THREE BENEFIT SUMMARY CARDS --\u003e\n\u003cdiv class=\"pdp-benefit-strip\"\u003e\n\u003cdiv class=\"pdp-benefit-mini\"\u003e\n\u003cb\u003e⚙️\u003c\/b\u003e Visible\u003cbr\u003eMechanics\u003c\/div\u003e\n\u003cdiv class=\"pdp-benefit-mini\"\u003e\n\u003cb\u003e🔥\u003c\/b\u003e Heat-Powered\u003cbr\u003eMotion\u003c\/div\u003e\n\u003cdiv class=\"pdp-benefit-mini\"\u003e\n\u003cb\u003e🎁\u003c\/b\u003e Unique\u003cbr\u003eScience Gift\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 04 HOW TO USE --\u003e\n\u003csection class=\"pdp-block-card\"\u003e\u003cspan class=\"pdp-label\"\u003e📖 How to Use\u003c\/span\u003e\n\u003ch2\u003eBring Your Engine\u003cbr\u003e\u003cspan class=\"accent\"\u003eto Life.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eFollow the supplied manufacturer's instructions before operating the model.\u003c\/p\u003e\n\u003cdiv class=\"pdp-step\"\u003e\n\u003cdiv class=\"pdp-step-num\"\u003e1\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003ePrepare Your Workspace\u003c\/h4\u003e\n\u003cp\u003ePlace the engine on a level, stable, heat-resistant surface in a well-ventilated area, away from flammable items.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-step\"\u003e\n\u003cdiv class=\"pdp-step-num\"\u003e2\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eCheck the Engine \u0026amp; Burner\u003c\/h4\u003e\n\u003cp\u003eMake sure the flywheel moves freely when cool. Prepare the included burner using only the fuel type and quantity specified in its manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-step\"\u003e\n\u003cdiv class=\"pdp-step-num\"\u003e3\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eHeat the Working Chamber\u003c\/h4\u003e\n\u003cp\u003eUnder adult supervision, light the burner according to the instructions and allow the engine to warm up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-step\"\u003e\n\u003cdiv class=\"pdp-step-num\"\u003e4\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eStart the Flywheel\u003c\/h4\u003e\n\u003cp\u003eOnce sufficiently heated, carefully give the flywheel a gentle turn in the direction specified by the manufacturer. Keep hands away from hot and moving components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-step\"\u003e\n\u003cdiv class=\"pdp-step-num\"\u003e5\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eObserve \u0026amp; Cool Down\u003c\/h4\u003e\n\u003cp\u003eWatch the mechanism operate. Extinguish the burner using its approved method and allow the entire model to cool before handling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-warning\"\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e This is an educational engine model, not a toy. It uses an open flame and contains hot and moving parts. Adult operation and supervision are required. Never leave a lit burner unattended, never refill it while hot, and never touch the heated cylinder. Fuel is not included.\u003c\/div\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/07-start-in-4-steps.png?v=1794387993\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- 05 SPECIFICATIONS --\u003e\n\u003csection class=\"pdp-block-card\"\u003e\u003cspan class=\"pdp-label\"\u003e📏 Specifications\u003c\/span\u003e\n\u003ch2\u003eCompact Size.\u003cbr\u003e\u003cspan class=\"accent\"\u003eDetailed Design.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eA fascinating mechanical display that fits neatly on a desk, shelf, or hobby workbench.\u003c\/p\u003e\n\u003ctable class=\"pdp-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMiniature Stirling Engine Model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Principle\u003c\/td\u003e\n\u003ctd\u003eExternal Heat \/ Thermal Energy Conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 6.5 × 3.74 × 5.12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eMetal Mechanical Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGold-Tone Metallic Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Source\u003c\/td\u003e\n\u003ctd\u003eAlcohol Burner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical System\u003c\/td\u003e\n\u003ctd\u003ePiston, Crank Linkage \u0026amp; Flywheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenerator\u003c\/td\u003e\n\u003ctd\u003eMini Belt-Driven Generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eSTEM Demonstration \/ Collection \/ Desk Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"pdp-included\"\u003e\n\u003cstrong\u003e📦 Package Contents\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003e1 × Stirling Engine Model\u003cbr\u003e1 × Alcohol Burner\u003cbr\u003eAccessories as shown in the selected package option\u003c\/p\u003e\n\u003cp class=\"pdp-note\"\u003ePackage accessories vary between the gold and silver versions shown in reference images. Confirm the selected SKU's contents before publishing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/08-dimensions_ffb6f838-7529-4e70-aca2-1973f91fe1be.png?v=1794387993\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- 06 FAQ --\u003e\n\u003csection class=\"pdp-block-card\"\u003e\u003cspan class=\"pdp-label\"\u003e❓ Frequently Asked Questions\u003c\/span\u003e\n\u003ch2\u003eQuestions?\u003cbr\u003e\u003cspan class=\"accent\"\u003eWe've Got Answers.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdetails class=\"pdp-faq\"\u003e\n\u003csummary\u003eIs this a real working engine?\u003c\/summary\u003e\n\u003cp\u003eYes. It is a functional miniature Stirling engine that demonstrates how an external heat source can drive a piston and flywheel. It is designed for educational demonstrations rather than practical mechanical power.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pdp-faq\"\u003e\n\u003csummary\u003eDoes the engine need batteries to run?\u003c\/summary\u003e\n\u003cp\u003eThe Stirling mechanism operates using external heat, not a battery. The attached generator demonstrates conversion of mechanical rotation into electrical energy. Electrical output is limited and should not be treated as a general-purpose power source.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pdp-faq\"\u003e\n\u003csummary\u003eIs fuel included in the package?\u003c\/summary\u003e\n\u003cp\u003eNo. Fuel is not included. Please use only the fuel specified by the supplied instruction manual and follow the safety directions when preparing and operating the burner.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pdp-faq\"\u003e\n\u003csummary\u003eIs this suitable for children?\u003c\/summary\u003e\n\u003cp\u003eThis model is intended for supervised STEM learning and adult hobby use. Because it involves an open flame, very hot metal, and moving parts, children must not operate it independently.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003c!-- 07 WHY US --\u003e\n\u003csection class=\"pdp-block-card\"\u003e\u003cspan class=\"pdp-label\"\u003e🌟 Why Choose This Engine?\u003c\/span\u003e\n\u003ch2\u003eThe Beauty of\u003cbr\u003e\u003cspan class=\"accent\"\u003eWorking Science.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eA compact mechanical display that brings together science, craftsmanship, and the excitement of watching real machinery move.\u003c\/p\u003e\n\u003cdiv class=\"pdp-why-grid\"\u003e\n\u003cdiv class=\"pdp-why-item\"\u003e\n\u003cspan\u003e⚙️\u003c\/span\u003e \u003cb\u003eFunctional\u003cbr\u003eMechanism\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-why-item\"\u003e\n\u003cspan\u003e🔬\u003c\/span\u003e \u003cb\u003eHands-On\u003cbr\u003eSTEM Learning\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-why-item\"\u003e\n\u003cspan\u003e✨\u003c\/span\u003e \u003cb\u003eElegant Metal\u003cbr\u003eAppearance\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-why-item\"\u003e\n\u003cspan\u003e🎁\u003c\/span\u003e \u003cb\u003eMemorable\u003cbr\u003eGift Idea\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/09-science-you-can-see.png?v=1794387993\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- 08 SHOP WITH CONFIDENCE --\u003e\n\u003csection class=\"pdp-block-card pdp-top-center\"\u003e\u003cspan class=\"pdp-label\"\u003e🛡️ Shop with Confidence\u003c\/span\u003e\n\u003ch2\u003eExplore with\u003cbr\u003e\u003cspan class=\"accent\"\u003eConfidence.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"pdp-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eKnow what you're getting: a working educational engine with a visible flywheel, metal mechanical construction, and a compact tabletop design. Review the specifications and safety information before ordering.\u003c\/p\u003e\n\u003cdiv class=\"pdp-trust-row\"\u003e\n\u003cdiv class=\"pdp-trust-item\"\u003e\n\u003cspan\u003e⚙️\u003c\/span\u003e Working\u003cbr\u003eMechanism\u003c\/div\u003e\n\u003cdiv class=\"pdp-trust-item\"\u003e\n\u003cspan\u003e📏\u003c\/span\u003e Clear Product\u003cbr\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"pdp-trust-item\"\u003e\n\u003cspan\u003e📖\u003c\/span\u003e Operation\u003cbr\u003eGuidance\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/10-explore-with-confidence.png?v=1794387994\" alt=\"\"\u003e\u003c\/section\u003e\n\u003c!-- 09 SHIPPING \u0026 DELIVERY --\u003e\n\u003csection class=\"pdp-block-card\"\u003e\u003cspan class=\"pdp-label\"\u003e🚚 Shipping \u0026amp; Delivery\u003c\/span\u003e\n\u003ch2\u003eYour New Engine\u003cbr\u003e\u003cspan class=\"accent\"\u003eAwaits.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eReview the available delivery and return information at checkout before placing your order.\u003c\/p\u003e\n\u003cdiv class=\"pdp-delivery-item\"\u003e\n\u003cdiv class=\"pdp-delivery-icon\"\u003e📦\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eOrder Processing\u003c\/h4\u003e\n\u003cp\u003eProcessing and estimated dispatch information are provided during checkout or in your order confirmation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-delivery-item\"\u003e\n\u003cdiv class=\"pdp-delivery-icon\"\u003e🚚\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eShipping Options\u003c\/h4\u003e\n\u003cp\u003eAvailable delivery methods, shipping fees, and any free-shipping eligibility are displayed at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-delivery-item\"\u003e\n\u003cdiv class=\"pdp-delivery-icon\"\u003e↩️\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003eReturns \u0026amp; Support\u003c\/h4\u003e\n\u003cp\u003ePlease refer to our store's current return policy for eligibility, return instructions, and customer support details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 10 CUSTOMER REVIEWS --\u003e\n\u003csection class=\"pdp-block-card\"\u003e\u003cspan class=\"pdp-label\"\u003e💬 Customer Reviews\u003c\/span\u003e\n\u003ch2\u003eA Favorite for\u003cbr\u003e\u003cspan class=\"accent\"\u003eCurious Minds.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eSee how other enthusiasts experience the fascinating world of working engine models.\u003c\/p\u003e\n\u003c!-- DEMO REVIEW DATA - REPLACE BEFORE PUBLISHING --\u003e\n\u003cdiv class=\"pdp-review-overview\"\u003e\n\u003cdiv class=\"pdp-rating-large\"\u003e\n\u003cb\u003e4.9\u003c\/b\u003e\n\u003cdiv class=\"pdp-stars\" style=\"margin: 9px 0;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"font-size: 12px;\"\u003e 120 reviews\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-review-bar-row\"\u003e\n\u003cspan\u003e5 Stars\u003c\/span\u003e\n\u003cdiv class=\"pdp-review-bar\"\u003e\n\u003cdiv class=\"pdp-review-fill\" style=\"width: 87.5%;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e105\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-review-bar-row\"\u003e\n\u003cspan\u003e4 Stars\u003c\/span\u003e\n\u003cdiv class=\"pdp-review-bar\"\u003e\n\u003cdiv class=\"pdp-review-fill\" style=\"width: 10%;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e12\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-review-bar-row\"\u003e\n\u003cspan\u003e3 Stars\u003c\/span\u003e\n\u003cdiv class=\"pdp-review-bar\"\u003e\n\u003cdiv class=\"pdp-review-fill\" style=\"width: 2.5%;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-review-bar-row\"\u003e\n\u003cspan\u003e2 Stars\u003c\/span\u003e\n\u003cdiv class=\"pdp-review-bar\"\u003e\n\u003cdiv class=\"pdp-review-fill\" style=\"width: 0%;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e0\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-review-bar-row\"\u003e\n\u003cspan\u003e1 Star\u003c\/span\u003e\n\u003cdiv class=\"pdp-review-bar\"\u003e\n\u003cdiv class=\"pdp-review-fill\" style=\"width: 0%;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan\u003e0\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-ai-box\"\u003e\n\u003cb\u003e✦ Review Summary Preview\u003c\/b\u003e\n\u003cp\u003eThis summary illustrates how real customer feedback about mechanical design, visual appeal, and educational value can be highlighted. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-review-card\"\u003e\n\u003cdiv class=\"pdp-review-head\"\u003e\n\u003cb\u003eReview 01\u003c\/b\u003e \u003cspan class=\"pdp-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\"I enjoy watching the flywheel and piston work together. It's a fascinating little model for my desk.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdp-review-card\"\u003e\n\u003cdiv class=\"pdp-review-head\"\u003e\n\u003cb\u003eReview 02\u003c\/b\u003e \u003cspan class=\"pdp-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\"A fun way to explore how heat turns into motion. The metallic finish makes it interesting to display between demonstrations.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"DA xiong","offers":[{"title":"Default Title","offer_id":47813764841561,"sku":"96O26111105-gold","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/3829\/3081\/files\/01-hero-stirling-engine.png?v=1794387993","url":"https:\/\/treavhds.com\/zh\/products\/mini-stirling-engine-generator-kit-real-moving-piston-flywheel-metal-science-model-for-adults","provider":"treavhds","version":"1.0","type":"link"}