Here's the reminder
Let me know what you want to have done and I'll see if I can work on it besides my other stuff... otherwise I'll have propably some more free time in about a month!
Or he could just forgo the kart entirely and just roll along the track.
Ooh, idea! He could roll along the ground with good speed but have an extra penalty when going off-road, or he could float along the ground with slower speed but no off-road penalty.