Well, apparently they were back then and still are today for people of all ages.
According to Wikipedia: A coloring book (or colouring book) is a type of book containing line art for a reader to add color using crayons, colored pencils, marker pens, paint or other artistic media. Coloring books are generally used by children, though coloring books for adults are also available. They cover a wide range of subjects, from simple stories for children to intricate or abstract designs for adults. The golden age of coloring books is considered to be the 1960s.
Adult Coloring is on the Rise: Trends indicate that one of our greatest and simplest pastimes - coloring - has become a sudden and quick-growing interest for adults. With the increasing demand, the industry for adult coloring pages, books, and supplies is on the rise. In fact, 5 out of the Top 20 Bestselling Books on Amazon are actually Adult Coloring Books.
Surely, early education is vital, but in different situations toddlers just don't like studies because it can be monotonous. However using computer games features in learning completely resolves that very common problem for children as well as their moms and dads.
Think of the decisions you have just made? It doesn't matter if you are 2, 22, or 42, the fact is that you have just begun a creative action that will engross you completely until it is done. So, focus, decision-making and the stimulation of creativity have just helped you encounter pure joy. You have created your own art. Now, imagine having a place to have your wonderful art published?
Should you let your employees have a break in order to bring their phones out and color away for half an hour? Yes, you should. Isn't it the waste of your money and time? No, it is definitely not. "How come?" one might ask. Well, for a couple of reasons.
Every child knows that Tinkerbell makes part of the "Peter Pan" story, the fact that distinguish her is the little trail of magic dust that she leaves behind. Also, children are those who can understand her language, as in the world of fantasy everything is possible. This character is born from the first laugh of a new-born baby and will be kept alive due to your children's joy when they open a Tinkerbell book with her face on it.