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Build a Lightsaber
Drink Can Tinwork
Duct Tape Top Hat
The Original Potato Cannon
Paracord Bullwhip
Origami Rose in Bloom
How to Make a Medieval Trebuchet Out of Cardboard
Recycled Fun Cardboard Cad-A-Pult
Semi-automatic 7 Shot Knex Rifle
Origami - How to make a claw
K'nex Gearbox
K.F.T 540 - DA (Knex Force Target)
T.K.B.T (The Knex Bear Trap)
Light K'nex Assualt Rifle
Egg Prank
Knex Guinea Pig Trap
Knex Desktop Trebuchet
Knex Longbow SR-L crossbow
Extreme CD Repair
Knex Shotgun