We have some great stairs where we do boot camp…any other “outside the box” exercises we can do on them?

I’m late on this one…you have been offered a decent variety of things already.

I would consider safety over challenge in a group, as all are usually not on the same fitness level.

Make sure choices are applicable to group, know your people…
Safer & effective program design offering appropriate challenge/s should offer all involved opportunity for advancement.

secret:

take care em, they can tell the difference…