I went to a short course truck race once. I'd love to go again. There was a barfing drunk lady but other than that it was a blast. I love going to the air races, too. There is just some stuff that is fun to see (especially in person) no matter your age. Reminds me of when I was a librarian. For one story hour we read a book about trucks and then I took the kids out back where they were using big trucks to pull up trees and backhoes to push dirt around for the new school across the street. We sat on blankets and everyone watched mesmerized until the parents came to get them. Even then some of the parents hung around for a while, too.