Recycle an old G-2 ink pen into a cannon

This instructable will give you a general discription on how to turn a G-2 pen into an office supplies cannon to annoy classmates or co-workers! It's very simple, takes only about a minute, and shoots your pen part quite a ways.

DISCLAMER: I am not responsible if you hurt someone with this. Please use common sense, and don't shoot anyone in the eyes or face.

Step 1 Materials

This cannon requires very few materials. you will need:
Hard workspace
G-2 ballpoint ink pen (yes it does have to be a G-2)
Maybe a paperclip