High Power Knex Mini Cannon

This was originally going to be a single shot tunnel and ram gun but the handle was a little uncomfortable so I made it into a free standing cannon that shoots yellow rods.

Step 1: The Barrel

Follow the pics and build the barrel.

Step 2: The Stand

Look at pics.

Step 3: The Firing Pin

A purple rod with a purple connector at the end.

Step 4: Rubberbands

Look at pics.

Step 5: Loading and Firing

Pull back firing pin, insert a yellow rod into muzzle and use a different rod to push it down all the way.

Flick switch to fire.