About This Comprehensive Learning Experience: The KOKODI Talking Pen Books Set includes 26 fun nursery rhyme stories and 4 interactive training game books, fostering early literacy and cognitive development in young children. Engaging Content: Each story incorporates all 26 letters of the alphabet, offering both entertainment and effective “ear training” to help children recognize sounds and letters in a playful manner. Highly Interactive: With over 1,600 touchpoints, 400+ sound effects, and 150+ fun games, kids can enjoy a rich auditory adventure that keeps them engaged and promotes independent play away from screens. Durable and Portable: Crafted from thick, tear-resistant materials, these mini board books are well-made and easy for little hands to carry, ensuring the set stands up to enthusiastic use during playtime or travel. Variety and Surprise: Featuring 30 unique titles, this set guarantees that your child will discover a new story every day, maintaining their curiosity and focus, making it an ideal gift for children entering their language development phase.