Marshall Pop-N-Play Ball Pack Got the Marshalls Pop-N-Play and your ferret needs more balls to play? Or maybe they just need them replaced? Here's a pack of 15 extra balls to get you started. It includes five different colors, which match the balls that originally came with your ferret's favorite toy. Features: Use as extras or to replace Five orginial colors Safe for your ferret Item Specifications: Size: 2 Quantity: 15 FT-373 766501003734