Bird Sounds: The toy has a built-in bird sound generator that triggers when the cat gently touches the toy to produce jolts and can make bird sounds to attract the cat’s attention cat. The vocalizer has a built-in button battery that can be replaced directly when the power runs out. Self-balancing: The toy is self-balancing without the need for power supply, it will move by itself after the cat touches it and will rock back and forth. Invincible Toy: The invincible toy will rock back and forth irregularly when the cat touches it gently and will not roll over no matter how way it is played with which can make the cat interested in the toy. Built-in catnip ball: A high-grade catnip ball is built-in the transparent top. When the toy shakes, the catnip ball jumps irregularly, which can effectively attract cats. It is recommended to play with the cat for 20-30 minutes each time, which will make the cat healthier and more lively. Protection of furniture: it increases your cat’s happiness,