There were several guys in my neighbor hood with them. We would play 2 on 2 basketball (no dribbling) and touch football.

They aren’t very dangerous as Chris pointed out.

I’d love to get one again. I loaned mine to a friend to use to teach classes at the ‘Y’ and never saw it again. Every time I see one in a bike shop I think about it, but just haven’t pulled the trigger because I just don’t know when I would ride it. However at the moment I’m thinking they are great for errands since you don’t need your hands to steer. I could ride up to the carryout and get… Hmmm wonder what the wife would say about one more bike that is only half a bike?