The TRIXIE Rabbit Snack Roll with Base is a great way to stimulate your rabbit's mind and promote exercise. Your furry friends will enjoy nudging the roller for tasty rewards. Rabbits and other small animals want to be kept busy in a variety of ways. This snack roll is appropriate for exercise and mental stimulation. Fill the roll with your pet's favorite kibble and watch as your furry friend's senses are tickled with delight as foods fall out encouraging more play. A non-slip rubber ring on the bottom of the base will keep the roller in place.