This is an instructive guide to making a trigger operated paper gun. You will need an A4 sheet of paper. Start by rolling the sheet of paper horizontally (breadthways) and as tightly as possible, . Once the roll is completed, attach 3 lengths of sticky tape at each end and the ...more
In this tutorial, we learn how to make a fast and easy tennis ball trebuchet. This tool will throw tennis balls easily so you can hit them without having a partner around. This only needs a few pieces of wood and 2x4's along with dumbbells. There isn't a whole lot to this, it' ...more
Yaron Rasta demonstrates how to use the quick release mechanism while kiteboarding. This is for emergencies when you want to get rid of the kite's power.