In this tutorial I will show you how to make a very powerful and easy pen gun.
Step 1: Collecting the Material
You will need :-
1 rubber band
Step 2: Getting Started
First open the pen. You will only need the tube and refill of the pen.
Step 3: Connecting
Now cut the rubber band and connect it to the tube using tape.
Now take the refill and cut a v cut at the end of the refill.
Now put the refill in the tube and pull it back and action.