ANSWER: The Difference Is in the Girl’s Glasses! 
If you looked very carefully, you may have noticed that one side of the girl’s glasses is different. The frame on one image does not perfectly match the frame on the other image.
This tiny change is easy to miss because our brains tend to focus on the girl’s face, book, and colorful clothing rather than a small detail on her glasses.
Congratulations if you found it!
You have excellent observation skills and a sharp eye for detail.
Why is it so difficult?
- The difference is very small.
- It is located in an area that looks almost identical at first glance.
- Our brains often assume symmetrical objects, like glasses, are the same on both sides.
Thanks for playing this visual challenge! How long did it take you to spot the difference?