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Model,Air Motor Model Kit Kids Children Led Power Educational Motor Model Led Science Kit Kids Power Educational Science Adben Laoshe Dsfen Lanru Havou

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Mini Hot Air Stirling Engine Motor Model Colorful LED Electricity Power Generator Educational Science Kit for Kids Children Hot air driven. Comes with large flywheel and LED bead to show effects. Physical experiment model, glass tube and glass lamp make it easy to watch piston movement directly. Premium quality material, sturdy and long-lasting. Delicate and beautiful appearance. With 4 -skid pads at bottom of wooden base to ensure stable operation. A few for easy use. Low noise, low pollution and low operating cost. 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. Specifications: Material: Wood + Zinc Alloy + Stainless Steel + Glass Engine Size: 160 * 85 * 95mm / 6.30 * 3.35 * 3.74in (L * W * H) Package Weight: Approx. 450g / 15.87oz Output Voltage: 3.0-5.0V Package Size: Approx. 17.5 * 9.5 * 11.5cm / 6.89 * 3.74 * 4.53in Engine Weight: Approx. 350g / 12.35oz Color: Gold/ Silver/ Gold &amp; Red/ Silver &amp; Red (Optional) Fuel: 95% 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 * LED Bead 1 * Lamp (without liquid) 1 * English Instruction Manual (operation video contained) 1 * Spare Heating Glass Tube 1 * Dropper (3ml) 1 * Engine Model 1 * Spare Belt 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.