Identify the object in the photo and win a prize

What is this?  Oh, I know what it is, just wondering if you know...

Comments

what the heck is it?
It looks like Paul Bunyan's donut.
kathy b said…
It's a very old bundt cake.
Artorama said…
Kathy, you are owed a prize.
I've given Karen hers.

It's cardboard. Look closely inside... Our instructor was demonstrating how to make things out of ordinary objects.... Specifically, it appears to have "weight", but it does not.