In this exciting DIY tutorial, learn how to make a marble machine from cardboard with step-by-step guidance. Discover the secrets to designing a functional and creative marble run, using simple ...

Get ready to craft an impressive, fully functional M1919 machine gun from cardboard! This DIY project takes you step-by-step through the process of creating a fully automatic shooting machine gun ...

If you want to make the injection molding machine described here, you can buy the INJEKTO 2.0 kit, which features all the improvements the brothers intended to make during a second iteration.