V-twin Steam Engine Generator Education Toy Kits Electricity

Subject:

Physics

Product Description     "V-twin Steam Engine"     NewPackage Size  310*240*80MM      This item comes with the adorable engine model with twin cylinder.  You put the fire onto the alcohol lamp, and the steam will move the engine. You can see the heat energy change into the movement energy.   With this item, it takes about 4 days to ship out.Thank you so much for your understanding.