Once you color the pictures are very vivid and colorful. As soon as they dry the colored areas disappear and the pages can be colored again and again. There is no chance of getting "marks" on clothing or other surfaces since all that is required is clear water. And it is non-toxic. Manufacturered by Gbell . Simple to use you only need to fill the pen with water then you can start coloring. It is appealing to kids of different ages on some of the pages it has little activities that are hidden until you color it. Package List: 1 * Water Drawing Book 1 * Magic Pen(without cover). Toddlers Kids Travel Water Drawing Mat helps girls boys to recognize colors and letter kids will learn much knowledge from drawing.