These colourful Trixie Nub Balls are completely unpredictable, keeping even the quickest cats on their toes! They roll in all directions and come in a 4-pack so you can save some for later, or let your cat go wild with all four. These balls encourage your cat’s hunter instincts, providing it with play and exercise all in one! Please note: No toy is completely indestructible. As with any other product, please supervise your pet with this toy. Check the product regularly for damage, and replace the toy if it is damaged or missing any pieces to avoid potential injury to your pet.