High quality: the cat toy balls are made of high quality durable plush. They are soft and safe. They are equipped with a built-in LR41 push button battery and a high sensitivity alarm that can produce a variety of analogue sounds. Tweeter Ball: Plush kitten ball can imitate the sound of frogs, crates, birds and other animals. Different color cat balls have different sounds, which stimulates cats’ hunting instinct, and can last 10,000 twitters. Cute shape: the interactive cat ball has three colours: blue, pink and yellow. The sphere is soft and has beautiful eyes. Bright colors and vivid design can easily attract cats’ attention. Rechargeable cat toy: after opening the lid, you can add a cat clip to the ball to excite and make your cat happy. It can encourage cat exercise, stimulate cat thinking, let your cat exercise and stay healthy. Smart Tap Trigger: Cat Kick Toy is equipped with a built-in high sensitivity alarm that emits a sound every time the cat’s paw gently touches the ball.