{"product_id":"simplified-puzzle-toy-stirling-engine-model","title":"Simplified Puzzle Toy Stirling Engine Model","description":"\u003cp\u003eWatch the laws of thermodynamics come to life. The \u003cstrong\u003eSimplified Puzzle Toy Stirling Engine Model\u003c\/strong\u003e is a working heat engine — pour hot water in the base, rest the cold plate on top, and watch it spin. No electricity. No batteries. Just the elegant temperature differential between two reservoirs converting heat into mechanical work, exactly as Robert Stirling envisioned in 1816.\u003c\/p\u003e\u003cp\u003eThe Stirling cycle approaches the theoretical Carnot efficiency limit — the maximum possible efficiency for any heat engine. Watching the flywheel turn from nothing but a temperature difference is one of the most satisfying demonstrations in all of classical thermodynamics.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eProduct information:\u003c\/strong\u003e Toy material: Alloy  Color: K211 Gold, K211 color  Applicable age: Teenager (7-14 years old)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSimplified Puzzle Toy Stirling Engine Model\u003c\/li\u003e\n\u003cli\u003eInstructions (where applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eFulfilled via CJ Dropshipping. Ships worldwide in 7–20 business days.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":55048779497764,"sku":"GPP-CJ-05995520","price":49.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/28ac34da-0f45-4a49-b25e-4c74f2d45088.jpg?v=1781664343","url":"https:\/\/shop.goldenphysics.org\/products\/simplified-puzzle-toy-stirling-engine-model","provider":"Golden Physics Project","version":"1.0","type":"link"}