A simple series of relay races using different ways to move.
a cone or something to show them where to 'move' to.
Skipping Ropes if required
Bean bag if required
Children start at one end 'move' to the other end of the room and back before the next child repeats using the same method of moving.
Examples of different methods of moving could be:
Skipping With rope
Under Over (in pairs)
Balancing Beanbag (bucket of water? ) on head.
The winning team are the first ones sitting in a straight line after all completing the task.
You could swap round the 'team leader' to give everyone the chance to lead their team, explain possible tactics and motivate their team.