
Engine Model Motor Gift STEM Science Physical Laboratory Toy
Description: Material: Metal; Colour: Silver; Item Size: 15.4 * 7.9 * 8.6 cm/6.1 * 3.1 * 3.4 in; Item Weight: 432g/15.2 oz; Package Size: 17.5 * 9.5 * 11.6 cm/6.9 * 3.7 * 4.6 in; Package Weight: 526g/18.6 oz; Operation Procedure: 1.Fire the alcohol lamp, preheat the tube approx 50-60s; 2.Take off the rubber belt which connected between big wheel and electric generator; 3.Turn the big wheel by hand, let the machinerun a while; 4.Saaembly the rubber belt; 5.Turn the big wheel by hand, machine and electric generator working, LED Lighting. Note: 1. Using alcohol with purity≥95%. 2.Dont touch the glass when using. 3.Be careful the alcohol spitting out, is was very dangerous. 4.Using a cap to suffocate the alcohol lamp, never blown by mouth or spit water to douse.. 5.If the alcohol spitting out and was fired, dont be panic, use a wet rag to cover the fire. 6.Please read the user manual carefully when starting to use the product. The package does not contain alcohol, you