The Empathy Ladder is a ladder that can be used by both people with or without phobias of height. For the people with phobias, the image inside the boxes is about the change of height. Every time the user step up, they can see the level in the image raise one floor. But because the hole on the box is really small so they can only see the images in one eye which will make the vision into flat picture. Therefore, they don't feel the difference of height will make them feel tense also let them realised that people without phobias' feeling. In another way, another side is for people without fear of height can see the dramatic change inside the height phobias' brain.