1、Multi Color LEDs: A Stirling engine equipped with multi color LEDs is mounted on the motor, and the power supply will drive the multi color LED light through the wires. 2、Fine Workmanship: Well made, this frame is CNC finished, the appearance is exquisite and beautiful, and the texture and beauty are combined. 3、Simple Operation: Fill with 95% alcohol and light it. Let the light burn on the cylinder at the rounded end for about 60 to 120 seconds, then gently push the wheel to run. 4、Uses: Wide range of applications, suitable for children's science projects, physical machine learning, teacher demonstration props, etc. 5、Great Choice: Using sophisticated production technology, it can not only be used as a perfect decoration, but also as a birthday gift for friends, family members, parents, children, etc. Item Type: Stirling Engine Motor Model Material: Stainless Steel Purpose: Physical Stirling Power Conversion Science and Education Model 1 x Generator 1 x Tweezers 1 x Alcohol Bottle 1 x Alcohol Cover 1 x Measuring Tube 1 x Lampshade 1 x Rope 3 x Hex Wrench 3 x Diode 4 x Rings 1 x Tube 1 x User Manual