Questacon > Kids > Incredible Illusions

Incredible Illusions

They really are incredible!

There are many kinds of visual illusions here for you to try.

• The Horse's tail shows you how the same colour can look different.
• These Moving lines make everything shift around.
• Try to make a straight line with the Poggendorff illusion.
• The Titchener illusion will make you wonder how large things really are.
• Try the Muller-Lyer illusion to find out how long a line really is.
• See if you can find the shape hiding in the Camouflage.
• Look at the Unreal triangles to see the invisible.
• The Herring illusion will make you wonder whether you can see straight.
• With Two grey steps you'll discover that grey is not always grey.
• Try the Zollner illusion to see a new slant on parallel lines.

Why are visual illusions important? Read more about how illusions give insights into how we see and think.

If you still want to know more about illusions, check out the Illusions Exhibition Teacher Materials.