Well, apparently they were back then and still are today for people of all ages. People are making the adult coloring books bestsellers on Amazon! At the time of this writing, eight of the top twenty books on the bestsellers list, are coloring books for adults. There must be something behind this recent growth in interest.
Those that really like to color are going to be looking for printable coloring pages all over the place so that they dont have to drive all over creation looking for that special coloring book. If you and/or your kids really like SpongeBob Squarepants, you will like looking for SpongeBob coloring pages so that you can make your own custom-made coloring book or books from SpongeBob printable coloring pages. Are you aware that there are a good many adults that really love to sit down and color when they have a few moments to simply sit down and relax? This is something that you might not be aware of, but really need to think about because it happens every day somewhere in this big world of ours.
When I was a child I just loved to draw and paint but, as I remember, before I even could begin to draw accurately I used to color in. The next stage was to learn to draw using stencils and then I graduated to be able to draw freehand which provided me with an absolutely fantastic sense of achievement. I went on to love drawing but the point I am trying to make is that it all started with the simple yet effective art of coloring in!