Features 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 Interest: Heat energy is converted into mechanical energy of the engine, so that we can grasp its low temperature working principle more intuitively and deepen our interest in physics. 3、Complete Stable: Stirling engine model adopts scientific overall structural design to ensure the integrity and stability of the system. 4、Exquisite Gift: Stirling engine motor model educational toy can be given to children as a holiday gift, and they will love this gift. 5、Stainless Steel: The bottom plate of stirling engine model science toy is made of stainless steel, which is rustproof and exquisite and beautiful. Specification Item Type: Stirling Engine Model Kit Material: Zinc Alloy, Stainless Steel, Glass Fuel: 95% Alcohol (This Product Contains No Alcohol) Package List 1 x Stirling Engine Model 1 x Alcohol Bottle 1 x Alcohol Pad 1 x LED Lamp Bead 1 x Lamp Bulb 1 x Rubber Ring 1 x Magnet