Microcosm M81 Balance Type Mini Steam Engine Model

Microcosm M81 Mini Steam Engine Kit Micro Scale Model Gift Collection A 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. 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 miniature design, can be placed in the palm of your hand like a treasure, delicate mini, exquisite workmanship. 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, dignified retro design, technology skills. 3. EASY OPERATION: Connect the boiler by yourself (the boiler is self-supplied), add water to the boiler and heat the boiler. After heating for several tens of seconds, use the steam wheel flywheel to assist the hand.