Your mind is sharper than a supercomputer if you can find the mistake in the picture in 4 seconds!

The image above shows a boy sketching. Three books, a photo frame, and a coffee with two cookies are also visible.

You have 4 seconds to find one mistake in this photo to complete the challenge. Your time begins!

It will be difficult, but our readers solve difficult challenges. Only the sharpest eyes can identify the photo error fast.

These activities promote memory and critical thinking brain regions.  Answering this challenge will give readers a cognitive exercise.

Congratulations to those who identified the error with keen attention.

You may wonder what went wrong? Don't worry—the solution follows. 

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