There are many different types of skeleton coloring sheets available, from simple outlines to more complex illustrations.

This mandala flower design is very detailed and fun for adults and older kids that enjoy relaxing with a complex coloring page on a lazy day. This full and fun sunflower bouquet coloring page will ...

Some studies have shown that focusing on the complex structure of your coloring page can help put your mind into a meditative state. The meditative state occurs when you stop focusing on future ...