This is a set of 6 "Kodomo Challenge Kangaete Hakken Ehon" picture books for 5-6 year olds, which teach children in a fun way through quizzes and illustrations. The set includes books for April to September. Individual sales are not possible. The October to March issues are also available. ✨Follow-up discount and repeat customer discount available depending on the "total amount" of your purchase✨ No pets or smokers. Immediate purchase is welcome.