Basic K'nex Launcher : 6 Steps - Instructables

The Definitive Guide to K'nex Weaponry on Instructables. : 6 Steps - Instructables

Mini Knex Launcher : 7 Steps - Instructables

A Super Simple K'Nex Catapult : 6 Steps - Instructables

How to Build the Knex Slingshot : 12 Steps - Instructables

Jump Lift, a Knex Ball Machine Lift : 7 Steps - Instructables

Simple K'nex Shock : 6 Steps - Instructables

K'nex Sikorsky S-64 Skycrane : 9 Steps - Instructables

K'nex Sniper Rifle SR-70 Instructions : 6 Steps - Instructables

Knex Button Activated Grenade Launcher : 6 Steps - Instructables

How to Make a Great K'nex Weapon Instructable : 10 Steps - Instructables

K'NEX ZKAR (Build) : 8 Steps - Instructables

K'NEX Rocket Launcher : 6 Steps - Instructables

Prototype Knex Grenade Launcher : 27 Steps - Instructables

Knex Sniper : 6 Steps - Instructables

Knex (or K'nex) Simple Box : 5 Steps - Instructables