Ideas for a class/game outside for uni students?
 

It is my last class with a good bunch of students before I move on to find a better job. I promised them we can go outside for our last lesson, but unsure what to do. I thought some kind of sport activity but most outdoor games are designing for children not for university students (aged 18-20) They are Business English Year 1 students in a low-level university.

Any suggestions?

(I'm in China fyi)

Re: Ideas for a class/game outside for uni students?
 

We have a wide open space on our running track/football pitch but its made of cement. The university is outside of the city so there are lots of places to run about.