![Doraemon Science Any Door 21: Exercise Master E... [Chinese] 6263614994 Book Cover](https://i.thriftbooks.com/api/imagehandler/l/DC6BC3F088C0C9EEAE2710FDE8D28B5714FF3482.jpeg)
Does exercise not only exercise muscles but also brain power? Is it possible for Nobita to become an all-around athlete? Can science strengthen your athletic skills? Can exercise expand relationships? Exercise is a science that combines the fields of human physiology and mechanics!...