Sorry I guess I should have been more specific. I go to the show as a competitor/buyer. I would not say the crowd going though is professional bakers. The professional bakers are mostly the judges. A lot of general public come to see the show not sure if they are bakers and just didn’t enter or just people who like to see cake shows.
I am sorry I am not really being all that helpful in answering your question on how much stuff to bring or make.