This 4-piece fun cat toy set is one of the best ways to keep your cat\'s mind and body healthy for interactive play. Rainbow cat sticks and plush fish dolls use safe, non-toxic dyes that are cat friendly. The cat springs and cat balls are made of handmade plush material that won\'t drop fuzz that cats can choke on, and are soft, lightweight and safe for indoor cats and kittens. Both the cat stick and cat ball toys have bells that kittens can bite/roll/shake the ball to make surprise sounds to keep them more interested or entertained throughout the day. It is a great cat self-entertainment toy with a soft sound that is not too noisy. The cat spiral spring toy has good elasticity, easily withstands cat\'s tearing, sturdy and not easy to break, and the soft plush surface will not scratch the kitten. Plush fish dolls can bring vitality to cats and help relax them and reduce anxiety This cat stick toy is made up of a variety of bright colors, very beautiful, light and flexible, making cat chasing a pleasure. While you sit on the couch watching TV, your cat will be excited by the bells and rainbow bands.