M6 Mini Steam Engine Kit with Steam Engine Boiler Gift Collection

M6 Mini Steam Engine Kit with Steam Engine Boiler Gift CollectionA steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This steam engine is with steam engine boiler. It?is a single cylinder double acting oscillating steam engine suitable for marine use.The miniature steam engine with small design, can be placed in the palm of your hand, like a treasure. Meaningful gift for friends, kids.Features:1. NICE APPEARANCE: The steam engine is small and novel, can be placed in the palm like a treasure. It is an excellent handicraft that is collected and appreciated.2. EXTREMELY FINE CRAFTED: The steam engine model is made of brass and stainless steel steel, The boiler is brazed and comes with a miniature safety valve and a lubricating cup. The surface is polished to make it smooth.3. FUEL: liquid alcohol. Under normal working conditions, 15mL