Build in Bell-to Make Sound Just for Your Cat: There are some little bells within the cat balls and when it rolling the sound could atract your cats interest. Handmade Cat Ball-to Scratch & Chase Well: There are about 30 little balls on the surface of the main ball, our product is soft enough for your cats to scratch in a longtime. Rolling Around-Do More ExerciseRelieve the lonely mood of your cat and give him a different self-play experience. Our interactive cat ball can roll everywhere and let your cats catch it at the same time they keep fit during the movement. Single Ball Weight 22g-Easy to Roll and Play: It is a good and easy self-play ball toy for your lazy cat and they dont need to use much strenth to push it. Bright Colors-Your Cat Like it: Cats like bright colors. Our cat plush ball toy is composed of 7 classic colors of yellow, green, pink, red, pale pink, blue and white, which attracts your cat's attention