Coloring Castle offers coloring pages designed to help children master basic skills such as writing, recognizing shapes and telling time along with a variety of themed pages to color just for fun. All of the pages on the site are free for noncommercial use, although users have to print the pages with the address of the website included.
Some of the site's general coloring pages include those for holidays including Easter, Valentine's Day, Christmas and Halloween. There are also animal and insect pages featuring birds, mice, frogs, butterflies and ladybugs. In addition, users can find pages related to sports, the military, maps, flags, fantasy, food and events.