The KONG Genius Leo is named in honor of Leonardo Da Vinci and is designed to stimulate a dog’s curiosity and hold its attention. The toy is great for helping combat boredom and separation anxiety and can be used as a treat dispensing toy on its own - or connected to the Genius Mike for an increased challenge. Genius toys are great for puppies and adult dogs alike. Special Features: - Reduces boredom and separation anxiety for average chewers - Interlocks with other Genius toys for an added challenge