This video demonstrates how to fire a rocket under the power of a flammable aerosol. Hairspray or a flammable spray deodorant are the fuels of choice. The total cost of this project assuming the tools ...

In today's video I want to show you how to make amazing toy nerf bow with cartridge that easy to refill and play more and ...

To make a pipe gun, two PVC pipes are joined and filled with potash or calcium carbide. Some water drops are dropped on this ...