I'm not sure if you saw these somewhere before, but I thought they were cool.
Is it moving, or shimmiring?
Look at the black dot in the centre, then move your head forward and backward.
Are the lines straight?
What do you see? Right, the face..but anything else? Look closer, tilt your head, and read.
FOCUS!!!
How many legs does this elephant have?
Try and read the color of the words, not the word. 95% of people get at least one wrong in doing so. Your left side of the brain is fighting with your right
Which centre circle is bigger? the one on the left or the one on the right? ... Theyr' both the same size.
Can you count the black dots?
Get close and keep staring at the black dot in the centre...the remaining part of that picture that is not white, will turn gray.
No comment....just
What do you see other than black blocks?