{"product_id":"djuiinostar-most-classical-low-temperature-stirling-engine-unique-coffee-timer-best-gift-option-educational-toy-steam-engine","title":"DjuiinoStar Most Classical Low Temperature Stirling Engine, Unique Coffee Timer, Best Gift Option, Educational Toy, Steam Engine","description":"\u003cp\u003eThis engine is driven by the temperature differential between the top and bottom plates. To make temperature differential, simply put it on a cup of hot water or on top of ice. The speed depends on the temperature differential: the higher, the faster. It can reach a speed of 180-200 RPM when in good condition. What's it for: *Funny gift *Kids' science project *Hobby *Physical\/mechanical learning *Put on your table *You want to spend money but don't want to spend too much Features: * Stand: carbon steel; top and bottom plates: nickel-plated carbon steel; power cylinder and piston: glass; displacer: PVC foam; displacer cylinder wall: plastics; displacer guide: copper; flywheel, cranks, rods, shafts or so: stainless steel. Brand: DjuiinoStar Model: DLTD-303 Speed: 60-200 RPM(revolutions per minute) Start temperature differential: about 20 Celsius\/68 Fahrenheit Material: carbon steel, nickel-plated carbon steel, stainless steel, glass, bronze, PVC foam and plastics* Overall size: 103x103x125mm\/4.06x4.06x4.92in(L\/W\/H) Size of flywheel: 87x5.8mm\/3.43x0.23in(Diameter\/Thickness) Inner diameter of power cylinder: 15.6mm\/0.61in Net Weight: 238g\/0.52lb\u003c\/p\u003e","brand":"DjuiinoStar","offers":[{"title":"Default Title","offer_id":45196582879347,"sku":"WBTOYB077LHS81K","price":36.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/1958\/6419\/files\/717XMN_8LRS.jpg?v=1783591791","url":"https:\/\/slickpurchase.com\/products\/djuiinostar-most-classical-low-temperature-stirling-engine-unique-coffee-timer-best-gift-option-educational-toy-steam-engine","provider":"Slickpurchase","version":"1.0","type":"link"}