Tired of your jet ski? Try the Zapata Flyboard ($6,500). This aquatic machine, powered by the motor of your jet ski, ejects the water jet through a long hose that keeps you above water. The result is pretty impressive. The Flyboard lets you stay up to 9 meters (30 feet) in the air and seems to be somehow maneuverable… at least as it appears on the video released by inventor Franky Zapata. This revolutionary hydrojet can function when connected with any personal watercraft with an engine of 100 hp or greater. Definitely a unique and interesting invention.