Level 2 Intermediate dog puzzle ball great 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 Two games in one with multiple ways to play; dogs remove the chipmunk plush toys and roll the ball to release hidden treats; check out our Tips & Tricks for ways to make the game easier or harder for your pet x Includes four plush dog toys x Fun with dog treats or kibble