Oh, I won't be, my comment was mostly tongue-in-cheek and also remembering how my the creations of my father and I never did that well.

Obviously you have to help a 6 or 7 year old to a degree, but I plan to be as hands-off as possible, when the time comes.

I like your idea of multiple races. I'll have to go and find my old PWD cars. They're somewhere...