Mexico- churritos or nachos, depending on whether you want sweet or salty first
Norway- school bread might be too heavy for what you're going for, so I reccommend the troll horn/cloudberry horn. It's the same pastry but sometimes it has different names. I think it's permanently called the troll horn now.
China- egg rolls or potstickers
Germany- caramel corn
Italy- they sell little chocolates in the store like Baccis. I'd say a cannoli, but with a 5 and 7 year old, I don't want to be too heavy
American Adventure- I actually reccommend skipping the American adventure unless you want to split a funnel cake. Not much to eat there.
Japan- if you go to the food section of the store in Japan, there's a little bag of chips called "shrimp chips". They sound so gross, but they're so good! It was a ton of fun trying them for the first time. Or refresh yourself with a bottle of "marble soda".
Morocco- split a baklava
France- a pastry from the bakery or an ice cream macaroon
Unfortunately, everything goes downhill after France. You can get British and Canadian candy in their respective stores, I think, but there's not much besides that.
Good luck!
