What promotional activities can I use during a trade show?


I'm currently doing a assignment about how Penfolds should be ready during the trade show.
My action plans include time, cost, leaflets, personnel training, booth design, goods preparation and promotion activities.
I want to ask you guys what effective promotional activities can I use during a trade show?
I have an idea that blind box lottery. The price of each blind box sold to customers is the same, for example, 25$/50$, but the style of wine in each blind box is different, and some…

What promotional activities can I use during a trade show?