-Let's go discover a new world of professional coloringIf you really want to relax try a new kind of coloring book (one color coloring book). Just relax, take pen, marker or pencil start to color between the lines and look how the pictures coming into focus! When you finish look a little closer and you'll see your masterpiece take a shape! No extra skills. So fun and easy to color! This coloring book has a therapeutic effect and relieves stress.-Highlights and Features: Dimension: 8.5-8.5High quality paper with single-sided pages to prevent bleed and make tearing out for a unique giftLots of high quality and lively designs- different levels of difficulty- 23 picture Bruno Mars hidden by lines, dots and spirals
