Share 'Getting Delegates Into Groups/Pairs'

Hello I seem to have used up all of my easy and quick ways to split a group up into pairs/teams during a session. (E.G Have delegates stand in a line in birthday order (1st Jan to 31st Dec) and use that to form teams or hand round sweets and get the delegates to work with the other people who chose the same colour etc.) Does anyone have any new ones they would be willing to share? Thanks ve...