Seeing is believing...But what if you simply can't believe your eyes? Slip into another dimension and experience the eye-boggling and brain-twisting extremes of these awesome optical illusions. Bend the flexible mirror to decode the secret images and make mesmerizing moire patterns with the printed acetate sheet. Plus there's a pull-out ruler to help you check whether you're being tricked. This is a reality-ripping collection of visual puzzles with which to amaze your mates, befuddle your family and blow your own mind!
