Level 1 Beginner dog puzzle ball – perfect for puppies and dogs with no puzzle experience, this treat-dispensing ball is a great way to introduce puzzles to your pet Provides mental stimulation to help bust boredom – 15 minutes of mental stimulation is equal to 30 minutes of physical activity, giving dogs of all ages and sizes the exercise they crave Fun with dog treats or kibble – holds 2 cups of dog food; can be used as a puzzle feeder at mealtime to help slow eating pace Dogs nudge and roll the ball to release hidden treats – multiple ways to play and make the game easier or harder for your pet; see our Tips and Tricks for details No removable parts; easy to clean; BPA, PVC, lead, and phthalate free