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Make your very own pneumatic boomstick
Compressed Air Rocket Launcher!
Heliostat for solar heating
Make an Auto Radiator Pressure Tester
Concept Exerciser Prototype
2 Liter Bottle Water Rocket and Launcher Pad
PVC Pipe Frame Laundry Hamper
How to carbonate nearly anything: make your own carbonated fruit and soda!
Make a 100 Pound Medieval Style PVC Crossbow and Bolts
Posted:Apr 25, 2010
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