goDiscover Smart Book Set with Talking Pen for Kids | 9 Interactive Learning Books with Fun Activities | Educational Toys for Toddlers Early Learning Kit for 2 to 4 Years Old Child: The learning smart books for kids offers an engaging way to learn, combining traditional printed posters with digital interactivity. The included talking pen with Smart interactive books reads aloud the content when pointed at specific sections, enhancing comprehension and retention. The talking pen is battery operated, offering flexibility and ease of use without the need for constant recharging. : Set of 9 interest based interactive books that are