You could try to get the metronome synchronization thing to happen—everybody who has a metronome brings one, you put them all on a slightly unstable surface and see if they find a collective beat.
Play telephone in a circle. Each player makes up a message and whispers it to the person on her left, then she whispers what she heard to the player on her left. Keep going until a stable meme evolves.
Darwin loved backgammon.
You could try to get the metronome synchronization thing to happen—everybody who has a metronome brings one, you put them all on a slightly unstable surface and see if they find a collective beat.
Play telephone in a circle. Each player makes up a message and whispers it to the person on her left, then she whispers what she heard to the player on her left. Keep going until a stable meme evolves.