The "Sansu no Tanken" series, a set of 10 volumes. A fun math textbook for elementary and junior high school students. [Condition] Used only a few times, so it's almost unused. The contents are clean, with no writing. (The box is slightly damaged.) - Series Name: Sansu no Tanken (Exploration of Arithmetic) - List Price: 36,000 yen - Number of Volumes: 10 - Author: Hiroshi Toyama - Target Age: Elementary and Junior High School Students - ISBN: 978-4-284-20198-6 [Other] - No pets, no smoking. - Please understand that this is stored by a private individual. Instant purchase is welcome!! Thank you for reading this far. We are looking forward to your message! I usually reply immediately.