Are you a trampoline tramp?  Then water trampoline, priced at $1195, might be your perfect investment for all your future trampings. The 13′ Big Wave is made from 11 gauge fully galvanized steel to protect it from all that water. Our 9″ tapered springs, made from thicker steel with a large diameter, are galvanized to withstand water. Our extra large pads completely cover the frame and springs for a safer jumping environment. via coolest-gadgets