This project was inspired by the real life ballistic knife.Herehow you how to make it out of a simple Pilot g2 pen. Since it looks like a regular pen, it can be used for all sorts of pranks. DO NOT aim at face or living things. I will not be held responsible for anything that happens.
Step 1: take the pen apart
First take the pilot g2 pen apart. Make sure you have all the items found in the pen. Sorry about the flash