A picture book for learning colors, full of fun illustrations. I showed it to my child from around the time they were born until they were about six months old. - Title: Aka Aka Kuro Kuro (Red Red Black Black) - Author: Koji Ishikawa - ISBN: 978-4-05-203032-5 - Price: 968 yen - Contents: A picture book for learning colors Please refrain from purchasing if you are concerned, as this item has been stored at home.