Saiper Thinking Skills Arithmetic Practice Book Series Square Division Puzzle - Beginner Addition/Subtraction 2 (Grade 1 Level) Saiper Japanese Language Reading Comprehension Training Series Japanese Language Reading Comprehension Training (Grade 2 Level) ◯ No writing inside. ◯ Copied, so there are folds and wrinkles. There is no problem with learning, but I would like to ask those who don't mind to purchase! ◯ Grade 1 level and Grade 2 level are mixed, but they are a set of 3 items that were studied at the same time. How about for summer vacation study? ◯ If you purchase with other products and the shipping cost does not change, we will discount the price. In that case, please comment before purchasing.