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air cannon with interchangable barrels
How to build a Hydraulic Ram Pump
How to Solvent Weld PVC Pipe and Fittings
PVC Backpack Air Cannon
Water Rocket Launcher for Science Fun V2
How to Build a PVC Steadicam ($14 Steadicam Redux)
iPad Tripod Mount
PVC Rocket with Vinegar and Baking Soda Fuel
Soda Bottle Rocket and Stand
Hydroponic Drip Garden for Vegetables, Herbs or Flowers
Posted:Nov 30, 2009
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