Meatballs (4 small pieces) or (1 large/not too big): IDR 50,000,-
Ramen: IDR 50,000,-
Snacks on Skewer: IDR 25,000,-
Mineral Water 400ml: IDR 20,000,-
Happy Tos: IDR 40,000,-
Note: if you have bought online, there should be a special counter so that you don't have to queue to print tickets. (example: the system at XXI)
so you don't have to queue for hours. It feels like there is no benefit to buying online.