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How To
:
Make a Powerful PVC Air Cannon with Coaxial Piston Valve
How To
:
Make Fluorescent Water Monsters Using Fluorescein from Highlighter Markers
How To
:
Make Sodium Metal
How To
:
Make a Static Electricity Generator—Shock Anything and Fry Electronics with Just a Touch!
How To
:
Make an Airsoft Gun That's Both a Sniper Rifle & Shotgun
