What would be a good activity to develop communication skills?

So I'm in this special Nerd program at my school.

I'm now in the older classes (grade 10) and Me and a friend have to organise a 2 hour activity to help grade sevens from the same program develop communication skills. The activity is gonna take place at a hotel thigy in the middle of nowhere so it can be inside, outside, in the woods, in a pool, in a lake, etc.



Any Ideas????



Please! What would be a good activity to develop communication skills?
Just read books to them. That should help...