Basic K'nex Launcher : 6 Steps - Instructables

New K'nex Roller Coaster Propulsion System : 6 Steps - Instructables

K'nex Bending Rod Launcher : 9 Steps - Instructables

K'NEX Tank : 8 Steps - Instructables

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

K'nex Micro Ball Launcher Lift : 12 Steps - Instructables

Basic K'nex Launcher : 6 Steps - Instructables

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

Knex Rocket Launcher K.P.R.L. (Koenykoen's Portable Rocket Launcher) : 6 Steps - Instructables

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

K'nex Combination Lock : 6 Steps (with Pictures) - Instructables

Simple Lego Launcher : 7 Steps - Instructables