Simulate Real Noise The cat balls have a built in high sensitivity sound emitter. When the cat's paw touches the toy ball, there is a sound that easily attracts the cat's attention and stimulates its hunting nature. Three balls in different colours simulate the real sounds of three different animals. The pink is the sound of birds, the yellow is the sound of grilling and the green the sound of frogs. Glow design: when the kitten touches the ball, it lights up brightly and makes animal sounds to attract attention. Your cat will love chasing and hitting balls with these plush toys. It can make your cat more active and promote their movement. Believe that your cat will love this toy very much. FALSE Safe and Soft Material: This cat toy is made of high quality plush, soft and comfortable, non-toxic and safe, durable and flexible. There are three different colors of cat toy balls: pink, yellow and green. The colours are bright and bright, which can attract the cat's attention. Refillable Catnip Toy The lid of the chirping ball is easy to take off and then you can add some catnip to draw your cats more attention to the balls. And the catnip ball will give your cats a lot of fun while playing. A fun toy set to accompany your cats.