**Product Description: Stirling Engine Model Kit - Engage with Science and Creativity** - **Attractive Colorful LED with Motor Installed** Equipped with a vibrant LED, this Stirling engine creates electricity from the heat of high-grade alcohol. Watch as it powers the LED to emit different colors, making it a fascinating and imaginative educational toy. - **Extremely Well Made** Crafted with precision, the board is made from Russian pine and finely ground. The robust stent is molded from aluminum alloy, while the flywheel and pistons boast fine milling for both texture and beauty. The dynamic link sets feature special processing for high hardness, ensuring durability even during high-speed, long-duration operation. - **Easy Operating and Long Lasting** Simply fill the alcohol combustor with 95% alcohol (not included), light it, and let it burn the cylinder for about 20 seconds. Give the wheel a gentle push, and it will run smoothly. Tested to run continuously for over 8 hours without issues. - **Strong Packing** The Stirling engine model's glass tube is separately packaged with a bubble bag to prevent damage during shipping. The black wood base is sturdy and easy to unpack and repack. - **Priority Gift Option for Many Applications** This hot Stirling engine model is an exceptional and affordable product, perfect for gifting. Its elegant packaging makes it a great choice for kids' science projects, physical or mechanical learning, classroom demonstrations, and as a birthday gift for friends, family, and educators. It's popular among schools and colleges. Explore the wonders of physics and mechanics with the Stirling Engine Model Kit, a perfect blend of education and entertainment.