With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
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 ...
Follow the pics and build the barrel.
Look at pics.
A purple rod with a purple connector at the end.
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.
Knex Heavy Cannon v3 barrel strength upgradeby H1T4TCH1
mini knex cannonby knexsuperbuilderfreak
Knex Cannonby KnexFreak360
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.