If while coloring your child goes out of the outline, it will not be so noticeable. When the child sees how cool his result is, it will inspire confidence in him and will be a good stimulus for further work. Good coloring are those with the text in it. The text introduces the kid with the game, the kid will be interesting, while the text will expand its horizons.
Coloring books that teach reading will help your child read simple words and short texts. They train your mind and prepare to learn to read and write, develop hand for writing, memory and perseverance. Coloring trains how to count.