Y = yo-yo
I played yoyo a lot as a kid. The Duncan yoyo pro would tour our community once a year. Each Saturday morning for a month or so he would be at the local neighborhood Mom and Pop stores and conduct a yoyo contest for the kids. I thought it was wonderful when I won a candy bar! I even taught yoyo in my physical education classes. It’s a great way to teach physics and the kids think they are playing.