OurPets Play-N-Squeak Off Green Real Bird Buzz Off Cat Toy features an electronic sound module that produces an amazingly realistic mouse squeak that cats love Perfect for healthy mental and physical stimulation. Helps keep your cat alert, agile and healthy. Allows your cat the opportunity to naturally prey on birds in a safe, indoor environment. Fuels your cat's natural hunting instinct and allows them to vent pent-up energy. Includes catnip!