All the characters have unique expressions and their attitudes may resemble the folks one might encounter enjoying the bike path.
I hope you can see the mustache on Dad's face. I love it! The bikes are pretty neat too. If you look closely, you'll notice they have no spokes. For some reason, I think that is so cool.
Even though I looked at this sculpture up close, I mistakenly imagined the little boy was on a tricycle instead of a bike with training wheels. Perhaps because I feel I look like he does when I ride my tricycle!