Working Model Steam Engine With Boiler Installation _RTF and mechanical fire fly shapes

and mechanical fire fly shapes can be assembled by screw connection only according to the assembly drawing

and you can put it on the desktop and turn it on when you need silence

It is a shell made of brass

Material: aluminum alloy

Meaningful and Fun Education Project: Perfect for a kid who likes to tinker with things and use small hand tools

Working Model Steam Engine With Boiler Installation _RTF and mechanical fire fly shapesRetro All metal Vertical Steam Engine ModelFeatures:. Treated by CNC cutting and grinding and frosting color oxidation, the engine is made of aluminum alloy and brass for fast color. The first class processing technology makes it become an artware with both texture and aesthetics, allowing you to experience the high end mechanical model with superior performance.. The steam boiler is made and processed by a solid aluminum alloy rod, with a single wall