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Model,Motor Model Led Kit Kids Children Power Educational Science Educational Science Kit Science Kit Kids Model Led Power Air Motor Model Led Power Educational Laoshe Iuppa

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Mini Hot Air Stirling Engine Motor Model Colorful LED Electricity Power Generator Educational Science Kit for Kids Children A few for easy use. Low noise, low pollution and low operating cost. Premium quality material, sturdy and long-lasting. Delicate and beautiful appearance. Physical experiment model, glass tube and glass lamp make it easy to watch piston movement directly. Hot air driven. Comes with large flywheel and LED bead to show effects. With 4 -skid pads at bottom of wooden base to ensure stable operation. Note: 1. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. 2. Kids should be accompanied by adult. 3. Recommend using (not included) with 95% purity. 4. HOT! HOT! HOT! Don&#39;t glass when using. 5. Be careful of &#39;s spitting out, it&#39;s very . If spitted out, don&#39;t be panic; use a rag to cover fire. 6. Both ends of connecting rod joints need to add regular oil lubrication, piston can&rsquo;t be refueled, otherwise it will not work due to resistance. Specifications: Engine Weight: Approx. 350g / 12.35oz Color: Gold/ Silver/ Gold &amp; Red/ Silver &amp; Red (Optional) Fuel: 95% Output Voltage: 3.0-5.0V Engine Size: 160 * 85 * 95mm / 6.30 * 3.35 * 3.74in (L * W * H) Material: Wood + Zinc Alloy + Stainless Steel + Glass Package Weight: Approx. 450g / 15.87oz Package Size: Approx. 17.5 * 9.5 * 11.5cm / 6.89 * 3.74 * 4.53in Operation: 1. Check air tightness and whether glass is broken: No broken glass tube; Turn big wheel, with resilience means normal. 2. Light lamp, preheat tube for about 30s (very important), turn big wheel, and engine starts working. Package List: 1 * Lamp (without liquid) 1 * Dropper (3ml) 1 * LED Bead 1 * Spare Belt 1 * English Instruction Manual (operation video contained) 1 * Engine Model 1 * Spare Heating Glass Tube This engine model is a great tool for arousing children&#39;s interests in learning physics and chemistry. It&#39;s delicate and beautiful, and can bring a sense of mechanical feel and art for space.