Fukuinkan Shoten Kodomo no Tomo (Friends for Children) - For ages 4-5 12-book set, April 2020 - March 2021 Price: 400 yen + tax (per book) There are no noticeable stains, but these books have been read by a child, so please understand that they are used items before purchasing. Feel free to ask any questions or leave comments. We also offer a discount for combined purchases, so please contact us. In addition, to save on shipping costs, we will use simple packaging and may pack the items tightly. Thank you for your understanding.