It may not drive very fast (yet!), but this awesome go-kart, which can hold a grown child and seemingly also an adult, is definitely cool. It’s a veritable lego chariot!
Checkout maker Eric Steenstra’s photo-documentation of the build process here. [Make]
I can just see this thing suddenly collapsing into a pile of bricks, like the giant Lego ball in that Mythbusters episode.