Help a group to time-travel and tap their imagination by fictional objects.
With tangible objects and the stories your participants make up w/ them you'll get so much richer inputs and context to inform joint visioning / strategizing:
The future doesn't look that far away when you can pick it off the shelf.

With a series of prompts a surprising and amazing future is created.

One person shares a goal, other players offer obstacles. Main player delightfully overcomes those obstacles.

This method teaches participants to work together as a team, even under pressure or constant changes. It requires them to be flexible and creative.