Our toy balls can make a variety of sounds of frogs, barbecue, birds and other animals, which will make your cat very happy and happy when playing with them. This play ball has highly sensitive built-in sound. A little touch of the cat’s paw is all it takes to make a call. Each ball can produce about 10,000 calls. [Durable material] Our catnip ball is made of high quality and durable plush material, durable and not easy to scratch and bite by cats; after opening the lid, you can add Catnip to the ball. (Catnip not included) Our cat play balls have a built-in Lr41 button battery and a high sensitivity alarm that can produce different analog sounds. When working or going out for activities, the Cat ball toys with funny animal sounds can reduce boredom and increase cat activity and thus bring more fun to your cat.