Catit Play Grass, Bee, and Ball, GreenCatit Play Grass, Bee, and Ball, Green The Catit Play Circuit Ball Toy is a 3 in 1 activity toy that will entertain your kitty with hours of playtime. The 3 in 1 activity toy includes : seeds and soil to grow cat grass, circuit ball toy, a bouncy bee. The Cat grass sits in the middle of the circuit and brings the nutritious benefits of the outdoors indoors. Grass is a natural source of fiber, which is known to help digestion and help prevent hairball