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. Connect multiple KONG Genius toys for added challenge. SOLD in color assortment. Sorry no choice of which color will be shipped.