How to make a simple pen shooter, you can fire spit balls, q-tips, anything really! Get yourself a Pilot G2 pen and follow these instructions! This was originally a video shown on youtube: http://www.youtube.com/watch?v=F0r7TRtahQA
Step 1: Materials
Here is a list of all the supplies you will need:
1) Pilot G-2 05 pen
2) A pair of strong scissors or a small saw
Step 2: Disassemble
In this step we will need to disassemble the pen. Make sure you don't lose anything!
Step 3: Remove the Tip of the Pen
Using the scissors or small saw remove the tip of the pen and make sure the ink cartridge can fit through it smoothly.
Step 4: Assemble the Pen
Assemble the pen in the following order:
1) The Pen clicker (top)
3) the other small black piece
4) The bottom of the pen
Also if you have any problems, flip the third piece (the other small black piece)