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Medieval Crossbow
ACUnity Phantom Blade the paper built
K'NEX TMP (Build)
Make a Super PaperJet and fly over a 5-story building
Can Art: A Way To Recycle Some Tin Cans
cardboard Bonsai Tree
How to paint on Sand Stone
Origami rose
Bacon Cheese Sticks
imperial shotgun
Knex Handgun
Knex Bolt-Action Pistol (UPDATE)
Full auto knex uzi instructable
Knex auto-loading marble gun
Feel Like Annoying Someone full auto
Knexfreek Hell Slayer
Sweet Revenge
MANSLAUGHTER ASSAULT RIFLE
Turn a Mousetrap into a Powerful Handgun
Binder Clip Ball
Origami Juggling Ball
DIY Archery
Mega Pop Pop
Acrylic Jenga Pistol
How to make an Origami Dragonfly!
How to make an Origami Valentines Modular Rose!
How to make an origami transforming Ninja Star (Shurriken)!
Magic Cube Rose
How-to fold an Origami Magic Rose Cube
Origami collection
How to make an origami Frisbee (Francisco Caboblanco)!
How to make an origami Modular Spinning Top!
Magic Origami Transforming Rose (Valentines Day)
paper glider
Long Distance Paper Glider
Ninja Star
Catapult Out of Two Paper Clips
Paper Wars: The Viper
PYOLGA (Powerful Yet Obcene Looking Gun of Awesome.)
Office Warfare: The Nacirema paper blowgun
Paper Kunai and Sheath Instructable
Origami Ninja Shuriken (Ninja Star)!