It’s called the JetLev. It’s a water jetpack — the thruster unit is connect to a trailing “boat unit” that sucks up water and pumps it through a flexible hose (which doubles as a tether to keep you from flying too high):
Price tag: Between 115,000 and 129,000 Euros. Top speed: 22 mph. It’s got a roughly 30-mile range, looks like, so despite the manufacturer’s statement that “jetpacks are not practical for commuting,” seems like it’d be perfect for round trips between Seattle and Bellevue or one of the islands in the Sound. All you need is a drip-dry suit. [Via James Fallows.]