Teaching physics at an early age is a bonusI agree.
When my children were little I sought out the older playgrounds.
I was lucky to find there was an old playground at an hoa not really far from me that had a centripetal spinning thing.
Not as large in diameter as I would have liked, but...
Teaching physics at an early age is a bonusMy friends and I would call that spinning thing “The Puke Wheel’’.
A few turns on that and you wanted to hurl.