OKO Trike

It's a sad day when trikes for young children have to come accompanied with a woman minder in Matrix leathers—it's not, after all, as if your three-year-old is particularly likely to rev up and roar off to join a biker gang—but the OKO Trike at least manages to outdo the pram in providing an illusion of involvement in the whole propulsion and route-choosing process (and if they start to get antsy just set give them an OQO to play with).

[Via MoCoLoco]

Video of Seiko Epson's flying microbot