![Egg-cersizer Over filling toys allows for easy learning.](http://foodpuzzlesforcats.com/wp-content/uploads/2016/01/fullpuzzle1.jpg)
Another excellent beginner object with a lot of versatility. The egg shape makes for more erratic movement, while the fully adjustable openings accommodate a variety of dry food sizes and shapes.
The difficulty level can be increased by filling a smaller food puzzle (shown right) and placing it inside the larger puzzle. Foraging ping pong ball available through Fundamentally Feline.
![Egg-cersizer w ping pong Smaller puzzle inside increases the challenge.](http://foodpuzzlesforcats.com/wp-content/uploads/2016/01/2015-09-07-14.38.40-e1456090848212.jpg)