Bristol anime and gaming con

[Munkeypants]

Hi guys!
Newbie to this. It said to sign up to forum as beneficial.
We are taking our daughter to this as surprise birthday present. She loves Genshin impact, Gacha etc. We have priority tickets and it says we get blank badges. What are those for? Any hints and tips to make this the best experience for her greatly appreciated.

Thanks in advance (clueless parent lol)