This Level 2 Intermediate dog puzzle is our most versatile game yet, and a great way to introduce dog puzzles to your pet; perfect for pets with little to no puzzle experience; involves multiple one-step actions x Provides mental stimulation for dogs; 15 minutes of mental stimulation is equal to 30 minutes of physical activity x Helps reduce dog anxiety and redirect unwanted behaviors like excessive barking, chewing, and digging in a fun and exciting way x Multiple ways to play: dogs pick up bones, flip open lids, and move sliders to find hidden treats; check out our Tips and Tricks for ways to make the game easier or harder for your pet x Fun with dog treats or kibble; holds 3/4 cup of dog food.