It is easy to find the two main characters. But did you notice that there is a total of nine human representations in this painting? How much time will it take for you to find them all?
Try and find some really straight lines! Illusion created by Akiyoshi Kitaoka.
Duck or rabbit?
Boats, clouds, arches?
The central bar is actually fully homogeneous despite the feeling we have that its a gradient (due to the inverse gradient of the background; Hide it and you will see!).
Pinto horses, five of them, in “Pintos”, one of many optical illusion-based paintings from Bev Doolittle.
It is only a number of irregular spots, but our brain tries its best to build an image and finds a correspondence with a Dalmatian dog.
Look at the central dots. Which one is the biggest?
If you follow the movement, all dots are pink. If you concentrate on the central cross, there is a rotating green dot.