 
      Children's Science November 2019 / Author: Seibundo Shinkosha
 Click here for details of the book *Seibundo Shinkosha official website
 https://www.seibundo-shinkosha.net/magazine/kids/32015/
 
      Children's Science November 2019 / Author: Seibundo Shinkosha
 Click here for details of the book *Seibundo Shinkosha official website
 https://www.seibundo-shinkosha.net/magazine/kids/32015/