This is a set of KUMON educational materials for fun learning of arithmetic and word problems. 【Condition】 ・"Bun no O-keiko" (Sentence Practice) 　Pages 1-12 have been written on and are torn out due to use. 　Pages 13 onwards remain. ・"Tashizan O-keiko 1-shu" (Addition Practice, Book 1) 　Pages 1-32 have been written on and are torn out due to use. 　Pages 33 onwards remain. 【Product Details】 ・Title: Tashizan O-keiko 1-shu (Addition Practice, Book 1) ・Title: Bun no O-keiko (Sentence Practice) ・Target Age: 5-7 years old ・Publisher: KUMON Although some parts have been used, this is recommended for those who "want to try it out cheaply" or "want to start using it from the middle." Please purchase only if you understand the condition. Thank you for looking.