{"catalog_name":"World Products","variant":"c","item":{"handle":"m4x-10001219426","title":"Electricity Generation Stirling Engine Copper Plunger Cylinder Stirling Engine Generator Model Educational Alcohol Lamp Metal Build for Hobbyists, Science Students, Desk, Classroom","category":"Curated goods","category_name":null,"category_gid":null,"product_type":null,"vendor":"World Products","price":"$44.07","currency_code":"USD","availability":"in_stock","inventory_quantity":0,"sku":"dcd-30003449298","barcode":null,"variant_title":"with Generator","selected_options":{"Style":"with Generator"},"description":"Product Type: This science toy is a desktop Stirling engine model designed to demonstrate how heat can be turned into motion in a simple, visible way.Working Principle: As an alcohol lamp Stirling engine, it uses external heat to drive the plunger cycle, letting you watch the flywheel rotate once the temperature difference builds.Build Details: The model engine features a copper plunger cylinder upgrade, a brushed aluminum base, stainless steel connecting parts, and a thickened glass heating cylinder for a refined, long-lasting feel.Electric Output: The stirling generator version adds a small power-generation function, making it especially engaging for science students, hobbyists, and classroom demonstrations.Learning Value: This stirling engine helps explain thermodynamics through hands-on observation, making it ideal for desk display, STEM learning, and curiosity-driven experiments.","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/2f348511-d017-407d-87bd-34c0f0408e64.jpg?v=1787379307","href":"/product/m4x-10001219426.html","buy_url":"https://uecyem-u1.myshopify.com/products/m4x-10001219426","buy_url_source":"shops.shop_domain + product.handle","seller_name":"uecyem-u1.myshopify.com","seller_url":"https://uecyem-u1.myshopify.com/","return_policy_url":"https://uecyem-u1.myshopify.com/policies/refund-policy","media":[{"url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/2f348511-d017-407d-87bd-34c0f0408e64.jpg?v=1787379307","alt":null,"position":0},{"url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/2f348511-d017-407d-87bd-34c0f0408e64_f449035c-1fc0-4af1-baf4-138d4f34b993.jpg?v=1787389961","alt":null,"position":1},{"url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/2f348511-d017-407d-87bd-34c0f0408e64_b040a739-e155-403f-9ee8-1ff3f42c63eb.jpg?v=1787541076","alt":null,"position":2}],"related":[{"handle":"wireless-thermostatic-cat-water-dispenser-with-2-in-1-drinking-feature","title":"Cat Water Fountain Wireless Heated Constant Temp 2-in-1 Dish","category":"Water Fountains","price":"$197.09","image_url":"https://cdn.shopify.com/s/files/1/0743/3253/7007/files/232e7650-3dde-49f9-a29e-66060d6f21d5_trans.jpg?v=1786948108","sku":"CJYD261306802BY","href":"/product/wireless-thermostatic-cat-water-dispenser-with-2-in-1-drinking-feature.html"},{"handle":"4-all-pets-sunscreen","title":"Pet Sunscreen Lotion Natural | Majestic Pet Kingdom","category":"Pet Sunscreen","price":"$17.95","image_url":"https://cdn.shopify.com/s/files/1/0743/3253/7007/files/4-all-pets-sunscreen-1.jpg?v=1787815296","sku":"SUNSCREEN1OZ","href":"/product/4-all-pets-sunscreen.html"},{"handle":"wp-dcd-10001379927","title":"8-Piece Boxed Maltose Stress-Relief Squeeze Toy Blind Box","category":"Toys","price":"$4.58","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/6cbc403b-6576-49f0-9492-e53eb1bc660e.jpg?v=1787557579","sku":"dcd-30003919105","href":"/product/wp-dcd-10001379927.html"},{"handle":"wp-dcd-10001366591","title":"6-Piece Fishing Bait Sleeve Set with Bait Wrapping Bands for Fishing Rods","category":"Fishing Accessories","price":"$1.81","image_url":"https://cdn.shopify.com/s/files/1/0807/5486/8463/files/53a279ed-ce8d-4ec9-b0b5-a85abe47a197_4c60468e-81a2-4f02-b422-2f71082f8cd5.jpg?v=1787557582","sku":"dcd-30003881983","href":"/product/wp-dcd-10001366591.html"}]}}