7Our coloring book features outer space coloring to explore all the planets in our solar system through the unique designs that provides hours of quality fun in the pages of this amazing Coloring Book for kids. There are no rules in coloring so a child is free to choose hues and mix and match them too. Other benefits to coloring include a sharper knowledge on the color wheel, better handwriting, improved focus, stronger hand to eye coordination and creativity. The most important thing while coloring, learning about the solar system.