Super Simple Knex Blow Gun

This blowhard gun is probably the simplest knex gun out there. I shoots small green rods ( at least that's what I use) and has a range of about 30-40 feet.
Pieces needed:
28 Gray connectors
1 long Gray rod
Ammo

Take the gray rod and all the gray connectors and assemble them as shown. And you are done. All that is left is to shoot it.