Today there is a large set of coloring books. You can find coloring-cursive books, books outliners, for boys (all sorts of appliances, machines, robots, etc.), for girls (fairy-tale characters, dolls, funny funny little animals). There's even a wallpaper coloring books that opens a wide field to have enough space for young artist.
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.