Playing with these illusions can help to sharpen readers' visual thinking skills. Readers will never see the world in quite the same way after they tackle these ingenious illusions! These astounding optical illusions will have you wondering what's real and what's not. They're baffling challenges that are sure to test your visual thinking skills in the most enjoyably twisted way. Don't let looks deceive you as you try to figure out which objects are longer, taller or a greater distance apart; whether you see rows of triangles or rows of squares; what is hidden within the image; and more. You'll never see the world around you in quite the same way after you tackle the ingenious illusions you find here.