The alcohol bottle light make the brass arcola which include water inside to be hot,and produce the steam, finally make the flywheel fun madly. It is a amazing and fantastic product at this price,it can be a great gift to your families or friends. It also can be used for teaching purpose. Many of our ustomers comes from school,colleague,etc Features: MODEL:00100013 Speed:500to 1500 RPM Engine Size:1205*70*70MM Material: Brass， Weight:400g
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