Mandarin Playing Cards in durable Wayfarer Tin travel case.
Mandarin is spoken by more people on the planet than any other language - four times more than English! If you're wanting to navigate the globe, then having at least a few words to pull out of your arsenal will come in handy. And, if you're thinking of exploring China, knowing more is a must.
Finding fluent English speakers outside of major cities. Pick up Mandarin while playing cards!