Try to use a themed coloring. For example, a series of coloring books about animals, buildings or machines give children an idea of the objects of the world. Coloring of fairy tales or cartoon characters, are good because they allow the child to "talk" with their favorite characters and express their attitude towards them through colors.
Painting involves the two hemispheres of the brain. When we ponder on the balance sheet and the choice of colors, take a pencil in your hand and begin to shade the cell, then it immediately combines two processes: problem solving and fine motor skills. This kind of therapy, which trains the brain, accustoming it to work on simple tasks and gradually move to more complex tasks.