Learn the alphabet books feature an interactive design to help young learners master critical skills through play and self-paced learning. With 30 activities and over 100 photorealistic images, your students navigating through their book to learn the fundamentals of the alphabet. Each book encourages independent learning at a comfortable pace while building confidence through immediate feedback. Book set is compatible with any Hot Dots Jr. pen (sold separately). Set is designed for children ages 3 to 6..