Did you get it right?
This swim lesson sign-up puzzle asks you to compare panels A and B around the instructor, clipboard, whistle, towel stack, pool badge, rules sign, and lesson desk.

The Answer
The correct answer is: There are five visible changes in the swim lesson desk scene..
Here is why
- Difference 1: The whistle lanyard around the instructor’s neck changes shape.
- Difference 2: The towel stack stripe/detail changes on the left side.
- Difference 3: The pool badge/star detail on the desk is different.
- Difference 4: The clipboard clip angle changes.
- Difference 5: A check mark or line on the lesson sign-up form changes.
Why people miss it
The instructor’s face and shirt draw attention first. The actual changes are in the smaller desk and sign-up details.
What answer did you get before checking?