Bungee Slingshot by Wave

San Diego "Snow" Castles by LosAlfahores

Water Balloon Launch Pad by tinnustechnology

Build your own Surfboard! by joechacon98

How To Water Ski by travelwyse

How To Make A Minnow Trap Out Of Soda Bottles by sokamiwohali

Wakeboard repaired using sugru by projectsugru

A Garden Swing Powered Water Pump by Azizas Place, Cambodia

How to build a Pondless Waterfall by shiftline

Build a wakeboard winch under $900 from BeachWinches.com by Rockout101

Fishing Bucket Seat &Tackle Box by diyoutdoorsman

Travel Fishing Rod - Make it Yourself by WareShoals

Coil Pump by Azizas Place, Cambodia

Water Balloon Launcher by tinnustechnology

Beat the summer heat by bobby sissom

Gadd Science's Flash Liquidizer Ultra Dousing Device by SHIFT!

Go Rafting (on the cheap!) by okayknockout