time pass, because someone send me this..

[suntrack2]

the artist is great who have make this thing. turn your eyes from horse to frog, it is possible here.


:)

[Blue Fire]

Interesting illusion. I don't know what it says about me, but I saw the horse right off (sideways, where the frog is rightside up) and didn't see the frog at all until the second rotation. :think:

[Doodler]

Nifty. Always liked those kinds of illusions.

[Trebuchet]

I didn't see the horse at all until the rotation was complete and then only for a split second. After a few cycles I got so I could see it in any position, but the frog still predominates. I can't get the horse in the thumbnail without turning my head.

[Kelfazin]

The real trick is trying to see them both at the same time ;)