Basic K'nex Launcher : 6 Steps - Instructables
K'NEX Musket : 6 Steps - Instructables
The Apocalypse - a K'nex Ball Machine : 8 Steps - Instructables
A Super Simple K'Nex Catapult : 6 Steps - Instructables
Prototype Knex Grenade Launcher : 27 Steps - Instructables
K'NEX Micro, Articulated Man. : 6 Steps (with Pictures) - Instructables
Begginers Simple Knex Gun : 5 Steps - Instructables
Almost Indestructible Rubber Band Powered K'nex Gun : 6 Steps - Instructables
K'NEX Pinball Machine! : 6 Steps - Instructables
Simple K'nex Pistols : 12 Steps - Instructables
The Apocalypse - a K'nex Ball Machine : 8 Steps - Instructables
Simple K'nex Pistols : 12 Steps - Instructables
K'NEX Beyblade™ and Laucher : 8 Steps - Instructables
How to Build the Knex Slingshot : 12 Steps - Instructables
Almost Indestructible Rubber Band Powered K'nex Gun : 6 Steps - Instructables