Stirling Engine Model Motor Gift STEM Science Physical Laboratory Toy

Description:Size: 15.5*8*9cm(L*W*H)Colour: SilverOperation 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.Don't 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, don't be panic, use a wet rag to cover the fire.Package Included:1* Stirling Engine1* English Manual