Best Coloring Angry Birds. Coloring is a very fun activity for children. Coloring is a fun activity for children at almost all early ages until the beginning of elementary school. Give a book that presents various images and coloring tools. They definitely want to color the pictures in the book. Coloring also many benefits for children, given to exercise motor flexibility. Coloring can also use and develop childrens imagination. Coloring can help introduce color, and train childrens skills and concentration.