The motion detector inside the creature reacts when knocked down, knocked down or lying down. Batteries included. Animal Sound: Responding to animal touch. When hit with a paw kick, it will produce a realistic sound. Play games with melody for more fun. Brightly Colored Design: This plush bird toy is equipped with a feather tail that catches your cat’s attention. High Quality: Durable and Chewable Safe, Satisfy Your Pet’s Hunting Instincts. How to use: Remove the plastic cord to activate the toy and watch the hunter start. Product features: Simulation Animal Form Design Realistic motion-activated sound chip inside React to the slightest touch Successfully Inspiring Cats’ Hunting Instincts