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.
21 Insane Optical Illusions That Will Blow Your Mind
I fucking lost my pencil sharpener and now I can't draw cause all my pencils suck and it's not like I even need a pencil sharpener like I've literally sharpened pencils with my teeth when I'm desperate but I needed that sharpener and it tore out my heart
Awesome Optical Illusions: Can You Find The Horse - Awesome Optical Illusions. This is going to be real challenge . of people can't find the horse. If you see the horse then share with your friends. Ask them to find it. Could you find it?
Paintings of Rob Gonsalves that never cease to amaze.
Dice optical illusion The dice appear to form an impossible triangle. If the position of the camera was to shift slightly, you would see that in reality the 'triangle' is actually created by three lines of dice arranged in the shape of the letter 'Z'