Htovila Stirling Engine Kit Hot Air Motor Model Physical Dual Engine Generator Model with Flywheel Design Science Experiment Wooden Base DIY Education for Teacher Adults School Office Decor

Features: Well-made Stirling Engine Mode: Whole body is made of Zinc alloy and stainless steel, and oaken base with 4 anti-skid pads at bottom of model machine, fly wheel is made of metal and epoxy process, enhance industrial texture. Attractive LED Light: Flywheels will rotate rapidly, making generator's Lamp bulb lighting. When machine works, it will be very shocking and attracting eyeballs. Superior Performance: Dual cylinder engine is full of and voltage can reach 3.0~5.5V. Great Educational: Glass tube and glass alcohol lamp easy to watch piston movement directly. best choice gift for students, teachers, children, friends and colleagues. Easy to Operate: Fill alcohol with your 95% alcohol (we recommend this fuel) and light it. Let light burn round ended cylinder for about 30 seconds, then give wheel a gentle push. Specification: Model: LL-008 Material: Zinc alloy, stainless steel, glass Color: Silver/ Gold(Optional) Size: 170 x 95 x 73mm(LxWxH) Weight: Approx 560g(Engine+Wooden Base) Output Voltage: 3.0~5.0V Fuel: 95% Alcohol Package Size: 19.5 x 11 x 15cm/7.7 x 4.3 x 5.9in Package Weight: 750g/26.5oz Notes: Actual color of product may have a slight difference due to different computer screens, please understand. Kids should be accompanied by adult. Recommend using alcohol with purity95%(prepared by buyer self) Be careful of alcohol spitting out, it was very , If spitted out, dont be panic, use a wet rag to cover fire. Both ends of connecting rod joint activities need to add regular oil lubrication, piston can not refuel, otherwise it will not work resistance. Package List: 1 x Engine Model 2 x Alcohol Lamp Bottle 1 x Alcohol Dropper(3ml) 2 x Spare Heating Glass Tube 2 x LED Bead 1 x LED Light String 1 x English Instruction Manual