HMANE Hot Air Stirling Engine Model for Adults, Mini Adjustable Speed Integrated Hot-air Engine Model Kit Physics Science Experiment Toy
- ★All in one box, include wrenches. Note: Some components are super tiny: diameter about 2mm to 3mm. Please make sure you can handle tiny components before purchasing..
- ★30 minutes will you assemble a working hot air Stirling engine. Plesae note this is a DIY product. One step wrong, engine might will refuse to work. If so, please contact us for replacement to try again. Thank you..
- ★Main parts of the engine are not treated, you can paint them with color you like. You can also facilitate the groove on small flywheel to output energy generated. DIY..
- ★Great gift for those you love, for those fascinated in physics/mechanics or engines..