Koffka Ring Illusion
An easy illusion to trick your brain.
Sorry, but this content is reserved for subscribers only.
Your $20/year subscription helps cover the costs of producing new videos, writing curriculum units, site development, and hosting. Without that support, this site would not be possible.
If you are already a subscriber, and having problems logging in, please check the Support Page.
If you are not yet a subscriber, please check out the Free Stuff page, and Subscribe Now.
It looks like the
It looks like the darker half of the circle suddenly changes to light gray to match the other half of the circle.
Hannah Age 11
awsome
one word awsome
awsome!!!
aaawwwsooome!!!!!!!!!!!!!!!
NIce
I like the way u explain and tell us about it. I really want to see the other videos but i need a subscription.
awsome
thats cool!
cool
man thats cool keep the vids coming i love this site =]
the koffka ring!
very kool i have seen something like that before. thats really weerd! but so kool!
cool
Do you men cool not kool
mido
thank you
I did not see two separate
I did not see two separate shades until the second version. My eyes must be weird!!!
i didnt see them too
thats weird..
Post new comment