Colorful text for parents and children to enjoy, featuring Shimajiro. 12 books from April 2022 to March 2023 Kodomo Challenge Pocket (for 2-3 year olds) 12 books from April 2023 to March 2024 Kodomo Challenge Hopp (for 3-4 year olds) 12 books from April 2024 to March 2025 Kodomo Challenge Step (for 4-5 year olds) Not all of the Kids Work materials are included, and many have been used, but they are included. Pocket: 7 books Hopp: 11 books Step: 15 books Thank you for looking.