1、Multi Purpose: Stirling engine model kit has a wide range of applications, gifts for children's science projects, physics and mechanical learning, classroom demonstration props and so on. 2、Enhance Learning Interest: By operating the engine, children will observe and understand the operation process, and more intuitively understand the working principle of Stirling engine, thus deepening their interest in physics. 3、Exquisite Appearance: Stirling engine motor model adopts the shape design of a tank car, with vivid details and exquisite appearance. 4、Novel Interesting: The Stirling engine model is creatively combined with the toy car, powered by the Stirling engine model, which has a variety of games and is full of fun. 5、Exquisite Gift: Stirling engine motor model educational toy can be given to children as a holiday gift, and they will love this gift. 1 x Stirling Engine Model1 x Alcohol Lamp1 x Alcohol Rope1 x Inner Hex Spanner  1 x Tweezers1 x Elastic Rope1 x Injector1 x Gun Barrel1 x Heating Glass Tube3 x Rubber Rings Item Type: Stirling Engine Model KitMaterial: Zinc AlloyUsage: Through Manual Operation, the Whole Operation Process of Stirling Engine Can Be Observed, the Stirling Principle Can Be Understood More Intuitively, and the Interest in Learning Physics Can Be Deepened.