How to find differences in pictures

I think all familiar from childhood with these puzzles: offered two adjacent to each other pictures, which you need to find a few differences. Today I will teach you how to flip these tasks professionally. Now you can find the difference in just a few seconds. The method is based on the principle of stereograms. Instructions included:
6 pictures via blogs.namba.kz





02



03



04



05



06



Source: