・ Educational picture book set for young children. ・ The space to write the name on the back cover of Wonder Book and Hakken has been cut out (see image 11). ・ Wonder Book and Hakken do not have any supplements. The supplement stickers have been cut out and applied. Wonder Book September 2023 issue, pages 8 and 9 have tears, but are readable (see image 12). ・ Wonder Book January 2024 issue, pages 13-16 have folds. ・ Some Hakken books have the "Let's Write Iroiro E-Rose" and "Let's Play with Numbers" pages cut out. Some books have writing on the "Let's Write Iroiro E-Rose" and "Let's Play with Numbers" pages, and some do not. ・ Title: Wonder Book May 2023 - December 2023 issues, January 2024 - March 2024 issues, a total of 11 books. ・ Title: Hakken! May 2022 - December 2022 issues, May 2024 - December 2024 issues, January 2025 - March 2025 issues, a total of 19 books. ・ For "Chiisana Kagaku no Tomo" and "Wonder: Hajimete Deau Meisaku Ehon," the names have been concealed with a pen and stickers. ・ There is one book about animals and one book about vehicles.