Challenge Kagaku-gumi 3rd Grade "A book that expands intellectual curiosity, fostering the desire to 'know more!'" Kagaku-gumi, a Shinken Zemi optional course 3rd Grade, 12 books Reference price (1,090 yen per book) With pages full of photos and illustrations, this fun booklet satisfies curiosity in a wide range of fields such as nature, science, and society. It broadens children's interests and also expands parent-child conversations. Some books show signs of use, while others are in nearly pristine condition. There are no writings, but please consider this used item, stored at home. A set of 12 learning texts for 3rd graders, themed around science and nature.