A flying cat toy for collecting! This box can be purchased individually for two players or combined with other boxes to increase the number of players. What is a "CATchable"? A CATchable is a small ball made of stress-relieving material that represents a "cat" in true Exploding Kittens style. Each CATchable has its own name and a unique set of cards to play with, so there's a CATchable for every player!.