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How To: Make a High Velocity, Aerosol-Fueled Vortex Cannon

How To: Make HUGE Soap Bubbles

How To: Make Fluorescent Water Monsters Using Fluorescein from Highlighter Markers

How To: Make an Airsoft Gun That's Both a Sniper Rifle & Shotgun

How To: Make a Vacuum Cannon & High Volume Vacuum Pump

How To: Build a Simple Soup Can Forge & Hammer Out Your Own Homemade Steel Knife

How To: Scramble Hard-Boiled Eggs Inside Their Shell

How To: Make Prince Rupert's Drops (Glass That Fractures at the Speed of High Explosives)

How To: Turn Empty Water Bottles into Alcohol-Fueled Rockets

How To: Make Exploding Targets for Airsoft and BB Guns Using Mousetraps and Fireworks

How To: Make a Powerful PVC Air Cannon with Coaxial Piston Valve

How To: Punch Through Concrete with a Pair of DIY Weighted Gauntlets

How To: Make a Static Electricity Generator—Shock Anything and Fry Electronics with Just a Touch!

How To: Make Clean Burning and Inexpensive Hydrogen Gas at Home

How To: Make an Exploding Ashtray Prank for April Fool's Day

How To: Make a Hairspray-Fueled PVC Rocket Cannon

How To: Make a $4 BB Gun and Airsoft Flamethrower

How To: Make a BB Machine Gun from a Soda Bottle

How Fireworks Work: Design, Performance, & Chemistry

How To: Make an Electric Cigar Box Guitar for $25

How To: Make Ninja Darts for the Lighter Mini Cannon

How To: Make a Paper Crossbow

How To: Make a Mini Cannon From a Lighter

News : GrassRootsDIY.com

How To: Make a Catapult Trap with Office Supplies

News: Marble Contraption

How To: Make Sodium Metal

How To: Make an Airsoft Machine Gun (AKA Halo Mobile Turret)

How To: Make a Fire Wire (Easy Steel Wool Fireworks)

How To: Build bar shells and other explosives

How To: Rig a counter weight trap

How To: Extract sodium to make sodium metal

How To: Build a lampare aerial fireball launcher with Napthalene mixture dry fuel

How To: Building a concept spring Airsoft grenade

How To: Build a tree string noose trap

How To: Build a trip wire snare

How To: Make an upright noose trap

How To: Set a spring loaded snare trap

How To: Make Fireworks with Marshmallows

How To: Make wheat paste for explosives