Mini V-shape Pure Copper Double Cylinder Steam Engine Model Toy Creative Gift
.100% brand new with high quality .The style is novel and exquisite. It is an excellent craft .The product is made of all copper and has high quality .Finely crafted, the surface of the product is bright and bling .The cylinder diameter is 6MM, the flywheel diameter is 20MM, and the shaft diameter is 2MM .Can be placed in the palm of your hand like a treasure, delicate mini, let people put it down .The operation is simple, the small boiler can be connected to the normal operation, and it can be installed on the model ship or small model as the engine power of the model .By operating the steam engine model, you can learn more about the principle of steam power generation and deepen your child's interest in physics .At the same time, this model is still a collectible collection .The product does not contain a boiler and needs to be provided .Suitable for people over 14 years old .Note: The steam engine is a delicate model, so be careful
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