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

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Mini Hot Air Stirling Engine Motor Model Colorful LED Electricity Power Generator Educational Science Kit for Kids Children 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. 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. Premium quality material, sturdy and long-lasting. Delicate and beautiful appearance. 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. Specifications: Package Weight: Approx. 450g / 15.87oz Material: Wood + Zinc Alloy + Stainless Steel + Glass Output Voltage: 3.0-5.0V Fuel: 95% Package Size: Approx. 17.5 * 9.5 * 11.5cm / 6.89 * 3.74 * 4.53in Engine Weight: Approx. 350g / 12.35oz Engine Size: 160 * 85 * 95mm / 6.30 * 3.35 * 3.74in (L * W * H) Color: Gold/ Silver/ Gold &amp; Red/ Silver &amp; Red (Optional) 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. Package List: 1 * Spare Heating Glass Tube 1 * Lamp (without liquid) 1 * Engine Model 1 * LED Bead 1 * English Instruction Manual (operation video contained) 1 * Spare Belt 1 * Dropper (3ml) 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.