The Hunger For Words Talking Pet Starter Set comes with everything you need to start your dog's communication journey. As you follow along with the step-by-step teaching guide, you'll learn how to introduce your dog to the set's 4 recordable buttons. Use your own voice to record simple words like “outside,” “play,” or “bed,” then use these word buttons for dogs to learn what your dog has to say! Made from durable plastic and powered by 2 AAA batteries (not included), this interactive pet toy’s is ready for years of communication with your smart pets!