Faze 3 favourite Optical Illusion

There are many optical illusions on the web but this one is our favourite. An excellent lesson for all that not everything you see is as it seems !

First, let your eyes follow the flashing pink dot as it goes round in a circle.

Now stare at the black cross - where did that green dot come from?

Keep staring at the cross and the green dot begins to erase the pink ones.

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Our thanks to Jeremy L. Hinton for permission to use this illusion.

You can see many other optical illusions here.