I agree there is no easy solution to this. But does there really need to be? I think the only realistic answer is to relax and let it be.
Encourage the parents to let the boys do the work, and then hope they do. Honestly, I think it bothers the parents more than the boys.
We make all the restrictions to keep everyone's car equal, and we have the open race for everyone after the boys race. Other than that we let the boys, big and small, just have fun and we really enjoy seeing the different styles and varieties the adults (mmmm...I mean... the boys) have come up with.
The big bo