KONG Gyro Dog ToyKONG Gyro toys provide an enticing challenge for dogs of all ages. Fill the core with your pups favorite treats, then spin the toy to trigger an intriguing roll and flip action that dogs can't resist! Dogs learn to maneuver the toy to dispense treats, stimulating healthy mental activity.< Roll and flip action engages dogs Interactive toy dispenses food and treats Ideal for independent play Sizes: Small: 5" Diameter Large: 6. 8" Diameter Note: Toys