Shinken Zemi Challenge Elementary Course Science Group 7-12 New price is around 6,000 yen. Approximately 60 pages x 6 books = 360 pages, all in color. Plenty to read. This is an optional Shinken Zemi material, specializing in nature, society, science and technology, and culture. Each issue covers various fields, with illustrations, photos, and detailed explanations, making it very easy to understand and interesting. 7: Discovering the Mysteries of the Body! 8: The World of Light and Color 9: A Great Study of Microorganisms! 10: Discovering the Mysteries of the Brain! 11: Exploring the Mysteries of Stone! 12: Everyone's Questions I think it's in good condition. For those who understand that this is a used item stored at home, thank you. Please refrain from purchasing if you are concerned about minor details or are very sensitive. Thank you.