Concept car or baby rattle?

(Credit: Core77)

This gravity-driven "car" (top photo) took the prize for "Best Design Exploration" at the Unlimited Derby car race, an event sponsored by IBM at the Industrial Designers Society of America conference in Austin, Texas.

It was designed by ID-One, a creative services company of engineers, industrial designers and graphic artists. (We wonder if they had been flipping through the Tiffany's catalog at the time--see the sterling silver baby rattle below.)

The race is akin to the Boy Scouts' Pinewood Derby in that entries must be gravity driven and fit specific size parameters. Unlike the Pinewood Derby, however, you don't have to start with wood. ID-One's winning car is mundanely dubbed the Quick-Silver, though I don't imagine Kevin Bacon will be riding in it anytime soon.

(Credit: Tiffany & Co.)