Name Thingy
This is something I made for my niece. It can be used as a toy, name tag, or a key chain. Turning the knob just rotates the name which I guess is kind of fun for kids.
I'm sad that tinkercad is going away but here is the links to them anyways...
Frame - https://tinkercad.com/things/a6N0B9Zjxkf-name-thingy-frame
Inside Frame - https://tinkercad.com/things/gMlAPepju3h-name-thingy-inside-frame
Knob - https://tinkercad.com/things/ktAAWkkTq5i-name-thingy-knob
Example - https://tinkercad.com/things/4SPEXJ8yi0G-name-thingy-frame-example