Knex Gun

This is a gun I made trying to shoot my cousins xploderz but it didn't work so my cousin said why not shoot a pen and I stuck in a pen and it shot out my window in to the woods (50 feet)

Step 1: How to Make

This is a very easy gun to make you will need
Cinnectors
10 orange connectors
8 yellow connectors
And 2 grey end connectors
Rods
1 white rod
4 blue rods
14 green rods
Other
Tape