Can you talk in an interesting way about brushes, inks, crayons and other tools for painting? Can the story of a father and son, big Jan and little Janek, written in 1930 by Stefan and Franciszka Themerson, teach us anything today? And now there is an application based on the story with interactive elements to help you learn about colors. A common passion for painting connects father and son. In addition, many animals appear in the book. The great strength of the book is the graphic and text design.
