With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
shoots 40 feet with 4 rubber bands
Knex Sub-Machine Gun "The SMG3"by KnexFreak360
Linkin's Lightning Carbine (LLC) | a K'nex SMGby Linkin_J_Knex
knex modded smgby knex dude 2000
K'NEX MSMCby The Red Book of Westmarch
Model K'nex Sub Machine Gun (SMG)by Spycrab
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.