This is my first k'nex weapon after a passage down the ipod stand road. This bow uses 19 pieces excluding ammo. This bow can penetrate cardboard! (just penetrate, not go through). The prototype was made from my friend cj81499's knex. He has one too.
Step 1: Parts List.
These are all the parts you will need to gather. They are all in basic form except for the orange ones.