[Diana in Wisconsin]

It's either a child's toy left behind by the Aliens, or it's a Knitting Spool.

[Red Badger]

The holes are different sizes, like they are used to gage something.
They have perfect concentric circles around them except for the largest one. That must mean something.

I’m guessing its a game piece, a gambling device or some sort of divination device...................

[SunkenCiv]

Hey, maybe it’s a knitting spool left behind by the aliens, you don’t know. ;^)