Here's one that I'd forgotten about until seeing it again last week from a (non-visual) facilitator. It's a super-fast energizer that underscores the importance of perspective.
Ask participants to stand and point at the ceiling with their hands above their heads. Ask them to begin tracing a circle in a clockwise direction. Slowly, have them move their hands downwards below eye level. Keep the circle going. The effect is that the direction of the circle has changed to counter-clockwise. In fact, the direction of the circle hasn't changed: what's changed one's the perspective on the circle.
This is a quick way to inject a little energy and remind participants of the Principle of the Beachball.