Op art, ART TEACHER: HOLLY BRIGGS grade optical illusions tiered for all ability levels. Two color, two color challenge pattern, three color challenge pattern, four color and beyond. Elementary art on point!
35 Insane Optical Illusions That Will Make You Question Your Sanity
One of my favorite things that was shown to me during my elementary age years was an optical illusion. It was the very famous Rubin Vase (pictured below) which you can see in either two ways - as a vase or as two faces that are facing each other.
Incredible Art That Can Only Be Viewed From One Angle
First draw wavy line vertically, then draw a single line horizontally (see right side of image). Fill the space between vertical lines with either a convex or concave line depending on if it is above or below the horizontal line