Cartoon Colouring Collections Set of 6 A set of 6 Cartoon colouring books introduces the inspiring world of colouring to your kids. Colouring practice generates wellness, quietness and also stimulates brain areas related to motor skills, the senses and creativity. It is also an Excellent De-stressing Tool for Kids & Adults. One of the first psychologists to apply colouring as a relaxation technique was Carl G. Jüng in the early 20th century. Motivating kids to do colouring will helps kids to stay away from TV / Tabs and focus on building creativity.