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Propelled through the air on a stream of water

Joe Raedle / Getty Images

Sean Phillips flies through the air as he demonstrates the JetLev water propelled jet pack that is strapped to his back at the Yacht & Brokerage Show on Feb. 17 in Miami Beach.

The JetLev jetpack shoots water supplied by a tethered hose attached to a boat unit through nozzles located on either side of the pack which acts as a jet propulsion system launching a rider 30 feet high.

According to the JetLev website, the system has a top speed of 25 mph and a range of 80 miles and costs $99,500, but that comes with a pilot certification course. 

Joe Raedle / Getty Images

People watch as Sean Phillips flies through the air as he demonstrates the JetLev water propelled jet pack that is strapped to his back at the Yacht & Brokerage Show on Feb. 17 in Miami Beach.