Optical Illusions : 70 designs to help you de-stress

When your mind is distracted simply pick up this collection of 70 intricate optical illusions and reach for your coloring pencils.

There are absolutely no rules - simply choose a design at random, choose any combination of colors you like, and get started.

As you concentrate on the simple action of coloring in, you will find calm returning.

The sheets in this pad are all detachable, so you can display your favorite creations.