Cat food labyrinth

A little toy that I realized for my loved cat, Nina.
It’s a simplified but larger version of similar mazes that you can find in the commerce.

Credits also to Sebastian_v650, http://www.thingiverse.com/thing:1376759

The idea is to drop some croquettes in the middle of the plate and let the cat to find the best solution to grab them. My Nina had some difficulties at the beginning, but after a couple of days, she becomes smarter and found several shortcuts to get the prize!
I added a litt