Every pet deserves a toy that plays back. These interactive balls talk or make noises to entice your pet to play. They are sensitive enough to know when your pet is around and are triggered by your pet's breath or even the vibration of your pet walking nearby! Balls are designed for cats, dogs, birds, and even ferrets! An animal sounds-only ball is also available. Balls available in various sizes and colors. Take comfort in knowing that when you're not around to play with your pet, these toys will do the initiating!