You don’t even need the movies to have some dystopian implant horror. Second sigh used to produce a sight restoring implant. After some financial trouble they stopped manufacturing and support for one of their products. Leaving recipients of the implant sightless in the case the hardware breaks.
You can have stalls with gaps under then, that also protect privacy. Like a 15cm gap under the stalls and no gaps around the doors and the chances of accidentally seeing something you shouldn’t are practically zero.
TBF, students using going to the bathroom as an excuse to do other things is very real. Not all student do it, but some do and these people cause a lot of issues.
I generally keep the rules: leave your phone in the classroom and be back in 10 minutes.
The amount of students that suddenly don’t have to go anymore once they’re reminded they need to leave their phone is very high.
Or Volendam. They all look the same and have 1 of 5 surnames.
One tip for if you want to let them play with the bag on their own: cut the handles.
They can choke themselves on it and cutting them of makes the bag way safer.
It should also creep man out a lot. There are a lot of weirdos out there.
My chemistry teacher once made salmiak as a demonstration. The only experiment we were ever allowed to taste and quite cool to look at too.