A few years back, I decided to send my friend in Germany a care package and asked her if there was anything particular from the US she wanted, and one of the things was a pack of Solo Cups, because all her friends over there wanted to experience drinking out of them at a party.
The Europeans having their minds blown by yellow school buses in America has to be the one thing that blows our minds that it blows their minds. Like, I actually don't get why they're fascinated with it.