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Best DIY PVC Pipe Projects
Electrostatic Wizard's Wand (for Less Than $5)
DIY Fuel Ionizer for Real Cheap. Really Works.
Sea Sampler: Midwater Plankton Tow for OpenROV
Ultrabright LED Emergency Lamp (Rechargeable!)
The Forever Rechargeable VARIABLE Super Capacitor Battery !!!
Food of the Future: Window DIY Spirulina Superfood
Solar Powered Trike
600W Electric Trike
DIY Kayak Led Lights
An Algae Bioreactor from Recycled Water Bottles
How to Make pH Indicator
Compact Grappling hook
Make a 3D Model from Pictures