Our book stimulates certain intellectual abilities of your child, helps him to organize and concentrate better and even to have a more restful sleep. On the other hand, your child easily learns an essential quality: patience. The moment your baby finishes coloring a page after working on it for a long time - and smiles, proud of it - is invaluable, both for you and for him. Even if it is not perfect, his creation is a small work of art. Our Dolphin Coloring features:Each coloring page is printed on a separate page to avoid bleed through.Suitable for markers, gel pens, coloring pencils, fine liners and watercolors.Large 8.5"x 11" format, professional quality designs 94 pages