This is a set of picture books that allow children who love trains to learn while having fun. Happy Doctor Yellow Content: Focuses on "Doctor Yellow," also known as the Shinkansen doctor. Features: Explains with pictures and text what Doctor Yellow does and what the inside of the Shinkansen looks like, unraveling the mysteries. Gimmick: Features a large, double-page spread that opens wide, incorporating a surprise for the reader. Author: Illustrated by Itaru Mizoguchi. Color It Yourself! Picture Book: Trains Content: Includes railway vehicles from all over the country, with pages for children to color themselves. Features: A new type of picture book that combines pages with photos and explanations with pages of original line drawings. Target age: Suitable for children aged 4 and up to elementary school age. Purpose: Develops observation and concentration skills by coloring the same colors as the examples, and fosters creativity by coloring in their favorite colors, while also gaining knowledge. Author: Written by Kodai Inoue. Shinkansen (Includes AR Game) A book that includes an AR game that can be played by holding a smartphone or tablet over the book. You can also enjoy printing railway bromide content.