Did you get it right?
This public-pool desk puzzle shows locker tags, a towel stack, a whistle, a sign-in sheet, and an attendant counter. Two material details are too modern.

The Answer
The correct answer is: The modern silicone wristband used as a locker tag and the microfiber towel edge among the cotton towels are the two wrong items..
Here is why
- The locker desk, metal tags, towel stack, whistle, and sign-in sheet fit the old public-pool setting.
- The first wrong detail is the silicone wristband being used like a locker tag.
- The second wrong detail is the microfiber towel edge mixed in with older cotton towels.
Why people miss it
Pool desks naturally have towels, tags, and bands, so small material changes do not look strange until you compare the era.
What answer did you get before checking?