A set of children's magazines with a science theme. - Set contents: 26 books in total - Title: Kagaku no Tomo (Friends of Science) - Target age: Preschoolers and lower elementary school students - 26 books from the following years: 1981, 1986, 1986, 1987, 1990, 1991, 1992 (scattered issues) - Due to their age, there is some soiling and wear and tear. Thank you for looking.