The magic of stereograms!

And if I say that there is an animal hidden in this picture, would you believe? you can see it?

This type of image is called stereogram, and what a stereogram?
Stereogram is nothing more than two complementary two-dimensional images, thus forming a three-dimensional illusion.
This images is capitada for each eye, and when the brain fuses the capture them forming the depth of the image.
How to get to see the stereogram images:
If you had never done anything like this may experience a bit of trouble, but with persistence you will achieve and be surprised with what you have hidden within each stereogram. Images bouncing off your screen will be revealed.

You get enxega them blurring his vision when looking at it, you can also try to look at picture after looking at the horizon and focus on objects far away from you, then return to view the image is likely that vc sees you also can gaze at the view on your finger over the image and slowly pull it out or observe the reflection of the image through a mirror or glass, you can also look at the picture closely, and keeping the focus go away slowly and gradually, to find the sweet spot.
There stereograms that comes with an aid helping to see three-dimensional images through technical polka dots.
I hope you can see all the pictures, it seems magical, our brain is amazing!

Below is some more esterograma pictures, enjoy!

These are easy

These are more difficult:

See you soon!