Switch sides: Divide the group in half and line them up facing each other on opposite sides of the room. Select a way to cross the space and call “switch!” to signal them to switch sides. Repeat with as many different movements as you can think of.
AMRAP in a given amount of time of
10 Kettlebell swings -> Farmer carry KB 15 yds
10 Goblet squats -> Shoulder carry KB 15yds