However, it isn't just at home that they come in handy. Many professional offices take care of children. There are also parents that have to bring their children along with them for business. It may not be ideal but they often can't afford child care or it is hard to find someone to watch the youngsters so they can take care of things.
There are so many online printable coloring pages that you can have a blast offering them to your children. Perhaps you don't have children of your own but you often have friends and family that come over with their young ones. You don't want the kids to be bored at your house. Allow them to pick some coloring sheets that you can print for them. Have crayons and other supplies on hand for them and they will feel very welcome in your home.