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.
It is good to give the child to paint a picture from memory, or paint in the opposite color sample, for example, when there is a ready-made picture of a night scene, but the child should paint the daily events of the same characters, etc.