Feature: 1. Multi Purpose: Stirling engine model kit has a wide range of applications, gifts for childrens 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 Model1 x Alcohol Bottle1 x Alcohol Pad 1 x LED Lamp Bead1 x Lamp Bulb 1 x Rubber Ring1 x Magnet