Puppy Grows and Knows Your Name magically grows up to be a full-sized dog in only 4 days! Just as easily, the dog can magically become a puppy again! As puppy grows, it learns to know your name, its name and when it is fed or groomed. Plus, each can even sing songs using your name! Programming cd and accessories included. Please reference main line item K4189 for the White and Black and White Puppy's.