Made of PVC, non-toxic chemicals inside, durable and strong, your cat can enjoy years of fun. Powered by AG13 button cell batteries (included), it can be replaced by itself, moving on the ground like a mouse, turning itself over when encountering obstacles, and your cat will like to chase and play with it, which is very interesting. It turns around automatically to attract cats’ attention. This interactive cat toy can stimulate exercise and prevent pets from becoming excessively bored. When you are away from home, electric mice can let your cat enjoy have fun, stay bored, reduce stress and stay healthy. Keep your cat happy: Cat will not be lazy to play with this running bug. He is super funny and attractive. This interactive cat toy can provide exercise stimulation and prevent pets from becoming excessively bored. let your cat run and exercise more and stay healthy.