With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
( mod of i_am_canadian's heavy cannon )
Knex RPG (rocket launcher)by Doc Penguin
K'NEX Rocket Launcherby nerfrocketeer
Knex rocket launcher K.P.R.L. (Koenykoen's portable rocket launcher)by koenykoen
Under Barrel Grenade Launcher for the MARby Masterdude
Universal Knex grenade launcher!by bananna39
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.