Feature: 1. Dollar($) sign flywheel design, overall industrial style, delicate and beautiful. Exquisite wooden base, and the hardware part of the product is made of high quality aluminum alloy and zinc alloy materials, CNC finishing. 2. Easy operation- Fire the alcohol lamp, preheat the tube approx. 60s(must), turn the big wheel, the machine work. 3. The LED light will glow when machine and electric generator are working. With 4 anti-skid pads at the bottom of model machine, ensure stable operation. 4. Comes with color LED light string and beads. Users can DIY themselves to enjoy the fun, and create a romantic festival atmosphere to enhance the fun of scientific experiments for children. It is also with a storage bag, convenient for customers to store after use. 5. Great educational , classroom or laboratory experimental teaching aids, a best choice gift to students, teachers, children, friends and colleagues. Specification: Features: Dollar($) sign flywheel design, overall industrial style, delicate and beautiful. Exquisite wooden base, and the hardware part of the product is made of high quality aluminum alloy and zinc alloy materials, CNC finishing. Easy operation-Fire the alcohol lamp, preheat the tube approx. 60s(must), turn the big wheel, the machine work. The LED light will glow when machine and electric generator are working. With 4 anti-skid pads at the bottom of model machine, ensure stable operation. Comes with color LED light string and beads. Users can DIY themselves to enjoy the fun, and create a romantic festival atmosphere to enhance the fun of scientific experiments for children. It is also with a storage bag, convenient for customers to store after use. Great educational , classroom or laboratory experimental teaching aids, a best choice gift to students, teachers, children, friends and colleagues. Specifications: Model: LL-006 Color: Grey/Gold/Silver(optional) Material: Aluminum Alloy + Glass + Wooden Base Item Size: 17.4 * 8.3 * 9.5cm / 6.9 * 3.3 * 3.7in Item Weight: 433g / 15.3oz Package Size: 18.0 * 12.0 * 9.6cm / 7.1 * 4.7 * 3.8in Package Weight: 557g / 19.6oz Notes: Please read the user manual carefully before using. Using alcohol with purity≥95%. Hot Don't touch the glass when using. Using a cap to suffocate the alcohol lamp, never blown by mouth or spit water to douse. If the alcohol spitting out and was fired, don't be panic, use a wet rag to cover the fire. Packing List: 1 * Stirling Engine Model 1 * Alcohol Lamp(without liquid) 1 * Glass Tube 1 * LED Light 1 * LED Light String 1 * Storage Bag 1 * User Manual(English) Package List: 1 * Stirling Engine Model 1 * Alcohol Lamp(without liquid) 1 * Glass Tube 1 * LED Light 1 * LED Light String 1 * Storage Bag 1 * User Manual(English)