Vender [Shar] Hot Air Stirling Engine Model Kit DIY Toy Physics Generator Educational Toy al mejor precio

Description: It can also be used for teaching purposes and can provide you with exquisite gifts to family or friends. Wooden base, and the hardware part of the product is made of high quality aluminum alloy and zinc alloy materials, CNC finishing. Easy operation- Fire the alcohol lamp, preheat the tube approx. 30s(must), turn the big wheel, the machine work. The LED light will glow when machine and electric generator are working. Users can DIY themselves to enjoy the fun, and create a romantic festival atmosphere to enhance the fun of scientific experiments for children Specification: Size: 110x65x70 mm/4.3x2.5x2.7 inch Material: plastic + metal Package Includes: 1 x stirling engine model kit Note: Fill the alcohol burner with your 95% alcohol.