Which continent?
Some are easy and some are not: everybody knows where Japan is, fewer people place Namibia or Samoa without thinking. Press SPIN! and pick from five continents:
The whole world, or one part of it
The countries are grouped by the answer, so switching a group off takes that continent out of the quiz – a round of Europe and Asia only, for a class that has just done them:
Score and run
Score counts the right answers, Best run the longest streak. For a class, put it on the projector and let them call out the answer before the buttons are read:
Add your own countries
Open a group and add a country of your own as Country|Continent – the country is what the wheel asks and the continent is the answer:
It is the quickest way to make the quiz about the twenty countries your class is actually learning.