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

The knob part can use a bit of tweaking to fit properly.