Is there a proper name for this thing? It’s like a teeter-totter that rotates.
Rotating seesaw
I don’t think they have a special name. They are just called “rotating seesaws” or “rotating teeter-totters”. You can Google those terms to see where to buy them.
It should be called a rotater-totter.
Teeter-totters and seesaws should be two different things (based upon their movements).
or a toddler-rotater
swivel-saw?
twister-totter?
teeter-turner?
Rotoddler.
Ro-teeter.
Insurance claim.
The tooth chipper?
The Concussionizer?
The Darwin tester?