Shingakai Original Problem Collection, 25 books Numbers 1, 2, 3, 4, 5, 6 - 6 books total Language 1, 2, 5 - 3 books total Composition 3 - 1 book total Observation Skills 1, 3, 4 - 3 books total Dot Figures 3 - 1 book total Story Memory 2, 3 - 2 books total General Knowledge 3, 6 - 2 books total Reasoning and Thinking 1, 4, 6, 8, 9, 13, 14 - 7 books total Only Numbers 5 and 6 are missing one page each. Used for the 2023 academic year entrance exams (for enrollment in 2024). There is some writing in a small number of the books, but it should not interfere with learning. Also, many of the books are copies of the originals, so some may be slightly bent, but this should not be a problem either. Each book costs 1760 yen.