Description: 【Interactive Design】: This Cat Toys for Indoor Cats features a unique wheel design , engages your cat, complete with squeaky mouse sound device to enhance play excitement 【Enhanced Speed and Agility】: The Interactive Cat Toy's wheels are designed for smooth movement, allowing the mouse to run swiftly and stimulate your cats natural hunting 【Smart Obstacle Avoidance】: Equipped with an intelligent sensor on its head, the toy can automatically change direction when encountering obstacles, ensuring play for your feline friend, 8.5cmx4cm/3.35inchx1.57inch in size 【Touch Activated Movement】: When stationary, your cat can activate the toy by touching the switch on its back with their paw, prompting it to continue moving and keeping them entertained 【Adorable Appearance and Unpredictable Pathways】: Automatic Cat Kitten Toy with its cute design and erratic escaping routes, this toy offers fun for your pet. It is recommended for use on smooth surface for optimal performance Specification: Material: Plush Plastic Size Chart: 8.5cmx4cm/3.35inchx1.57inch  Package Includes: 1 Interactive Cat Toy Mouse Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.