Fears and phobias. No matter what you fear (heights, spiders, small places) we all have things that scare us. These pop-ups pages throw them right at you. Imagine the dentist drill spinning toward your mouth, or looking down from the edge of a skyscraper to the ground thousands of feet below. Imagine being on a plane as the oxygen mask drops and the plane starts to turn sideways. Experience all these again, and more!