Add extra balls to your Pop-N-Play Ball Pit for extra ferret fun! This ball pack includes an assortment of 15 vibrantly colored balls (3 blue, 3 green, 3 orange, 3 pink, and 3 yellow). Perfect for replacing lost or worn balls, or for taking your Pop-N-Play Ball Pit to the next level! More balls equals more excitement! Durable and easy to clean!