Intro: The Totally Awesome Pencil Cannon
This is really easy to make but the part other than the rubberband is hard to get so use something else.
Step 1: Get the Stuff
you will need
3.a hollow tube like thing
Step 2: Add the Rubberband and How to Fire
put the rubberband over the end and strectch then wrap around til its on. and to fire
put in the pencil andpull back then release!