Hello everyone,
Here is the report of a patient I found on the Roblox website:
REPRO
Where the error occurred, link:
Official Roblox website >avatar shop - Link
When the bug started: 01.13.2022
Frequency of bug: Always
Impact state of the bug: Medium
Screenshot of the bug:
Additional explanation: The bug occurs on the website. The “Show” and “Hide” options under “Unavailable Items” don’t work. (Unable to purchase items appear.)
I hope the bug will be resolved as soon as possible. 
Sincerely,
Utku