Travel carrier Kinetic Energy Case A case with a battery built-in is cool, but you know what's even cooler? A case that generates kinetic energy as the wheels turn, which can then juice up your electronics. Cost: Concept only Image: Yanko
The Quadski is a four wheeler that transforms into a super fast jetski!
The printed pen graffiti)- it's functionally equivalent to the standard printer's print head, but made the shape of the pen. With it, without computers and modeling software, you can imagine something you painted models, like graffiti.