This is an unused item brought home by a child. Information such as classroom details has been erased with correction tape. Size: 25 x 26 cm KUMON Publishing's "Why Why Calendar 2026" This is the Reiwa 8 edition, featuring one question per day, for a total of 312 "why why" questions. It covers a variety of themes, including space, the Earth, daily life, the body, language, events, insects, dinosaurs, history, vehicles, animals, and plants, with illustrations to stimulate children's intellectual curiosity. [Brand] KUMON Publishing [Product Name] Why Why Calendar 2026 [Published Year] Reiwa 8 [Contents] 1 question per day, 312 questions [Condition] Unused