I saw this toy advertised on television. It sounded like a fun treat for the cats. So I bought one.
It came with wiggly, edible (for cats, at any rate) strings that you peel and insert in the top. The base is weighted and you can fill it with cat treats.
It looks kind of like a Weeble. You remember, right? "Weebles wobble but they don't fall down." There is a small opening where the treats will fall out if rolled around on the floor.
The cats were very interested and ended up eating all the wiggly strings. I have to hide it in the pantry for now. When the dog came back in he was too interested. He could destroy it in one chomp.
They can have it again when RJ goes outside with Lee.