Item Type: Stirling Engine 1This is an external combustion engine in which the fuel is burned continuously, and the piston is moved by the expansion of air as a medium, and the expansion gas is cooled in the cold chamber, and the cycle is repeated. 2Only a small alcohol lamp, you can make it fast rotation and strong power. 3The engine principle is intuitive, educational toys, teaching experimental equipment can effectively cultivate children interest in learning 4Can be used for classroom teaching, more intuitive and easy to understand 5You can play your creativity, DIY boat model, car models, small fans and so on1 X Stirling Engine1 X Alcohol Burning Tool + Core Strip + Cover1 X Spare Heating Tube1 X Spare Wick