You can find many clip arts with slightest modifications yet with different subject matters either, thus there is a continuing process of preparing, producing and using of these school clip arts by a lot of people. With everything else changing so fast, I believe it is valuable to retain some things essentially as they have "always" been. If your little one is fascinated by Disney characters such as Donald Duck, Mickey Mouse or Tinker Bell, you can selectively choose to print coloring-pages on this particular theme. Cartoon characters tend to constantly fall in and out of fashion. If the current trend is that of Ben 10 or the Incredible, you can easily generate hundreds of printable coloring sheet based only on these cartoon characters. The minuscule effort it takes to compile an on demand coloring book is worth the smile on your child's lips.
Kids have a natural inclination towards drawing and coloring and this quality is used appropriately by coloring pages. Colors attract children in a big way and that is why playschools or preschools keep their environment multicolored so as to retain the interest of children. These pages provide an excellent way of teaching children about the nature, water bodies, trees, and other things that they see around them. Kids learn quickly when learning process is made fun for them and coloring pages for kids do just that.