nah not really. it didnt actually run under its own power, it was just spun by compressed air. nice enough, but its a bit of a faff to make something that is little more than a glorified windmill, you blow it and it spins!
now THIS is impressive. ok, its knobber clarkson doing the talking, but the car is perfect, and it actually runs under its own power, working gears and everything!
http://www.youtube.com/watch?v=QDZICiGmDxs" onclick="window.open(this.href);return false;
forget compressed air. THAT is what i call impressive engineering!!