Features: Made of high quality material, smooth and comfortable to touch. The LED light will glow when machine and electric generator are working. Alcohol lamp holder can be moved, make the operations easier and safer. With 4 anti-skid pads at the bottom of model machine, ensure stable operation. Can as teaching aids at classroom or laboratory experimental, also can be a great educational gift to your kids, students, friends, and families. Specifications: Color: Silver Material: Metal Item Size: 15.4 * 7.9 * 8.6cm / 6.1 * 3.1 * 3.4in Item Weight: 432g / 15.2oz Package Size: 17.5 * 9.5 * 11.6cm / 6.9 * 3.7 * 4.6in Package weight: 526g / 18.6oz Note: Please read the user manual carefully when you start to use the product. The package does not contain alcohol, you need to add it by yourself, please pay attention to safety and fire. Package List: 1 * Stirling Engine Model 1 * Alcohol Lamp(without liquid) 1 * Tube 1 * LED Light 1 * Alcohol Lamp Holder