We hope you enjoy these optical illusions. Please contact us if you would like to recommend any more for us to recreate.

• Although not one of ours, we think you might like this Spinning Silhouette Illusion

Courtesy of Professor Richard Gregory

If you watch the x for long enough, you should start to see a green dot rotating around the circle - this is not actually there, it is an illusion. Eventually the purple dots will disappear but they haven't really - this is called an after image effect.

This image is completely still but it should appear to move when you look at it.

Illusions designed by Pete at Gosling Animation

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