Tomorrow my family and I will fly to Turkey.
I wanted to ask:
Can I take a controller and batteries with me?
That would be really important.
(It's an Xbox one S controller!)
Sure, that's no problem in a suitcase.
Carry-on baggage is also possible, but you may have to check it which is not particularly dramatic.
But if possible remove the batteries beforehand.
https://www.tuifly.com/service/an-bord/elektronische-geraete
This is what TUI Fly says. Another provider or another airline can of course handle this differently. It is best to ask directly there. It is of course a little less than a day to arrive with it. You may be asked to stow the whole thing in your luggage.