1.??【Smart ball toys for cats】 Built-in sensitivity trigger will make a simulated animal sound when the cat’s paw lightly touches the toy. Easy to attract your cat’s attention. Light weight, easy to carry for indoor and outdoor activities to have a lot of fun playing with your cats. 2.??【Simulation of animal sounds】Interactive cat toys with built-in battery, it can make 3 realistic animal sounds, such as frog, cricket and bird sounds; The animal sounds are produced when your cats touch each other scratching and hitting the balls, the natural animal sounds will make your cats very happy and excited when they play with them. Each ball inside the battery can be used 10000 times lifetime sounds. 3.??【Rechargeable catnip toys】 The squeaker ball cover can be easily removed and then you can add catnip to it, which will make your cats pay more attention to the balls; And the catnip ball will give your cats a very fun play experience. A set of fun toys to keep your cats company. 4.??【Cat