acquire a coaster?
Never mind. Just figured it out.
Forum Discussion
A coaster is a type of crafting material used in this event. You can get them randomly from tapping gamblers in your town (2% chance of a drop I think) or more frequently from playing casino games (random chance in either slots or dice game to get 2).
To complete the challenge, you actually need to collect 5 of these.
To complete the challenge, you actually need to collect 5 of these.
