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WonderHowTo
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How To
:
Make a Powerful PVC Air Cannon with Coaxial Piston Valve
How To
:
Make a BB Machine Gun from a Soda Bottle
How To
:
Make HUGE Soap Bubbles
How To
:
Make a Static Electricity Generator—Shock Anything and Fry Electronics with Just a Touch!
How To
:
Make a Vacuum Cannon & High Volume Vacuum Pump
