Order drink tickets for the parties at Wikimania. 3,000 was needed if I understood correctly, but this need to be double checked.
Should not be in Swedish as it is an international crowd. They will also be used for non-alcoholic options, which might affect what design to pick.
Image show by WMF logistic team to give us an understanding: https://docs.google.com/document/d/1uRT1Z2VbGGVRoUEVMVorRIqt2iliMBk9BQIEUZ9g9mM/edit?usp=drivesdk
E.g. https://jmband.se/rullar-biljetter/79-dryckbiljetter.html