Arrange the teams in parallel files. Have each player reach back between his legs with his right hand and grasp the left hand of the player immediately in back of him. At the signal the teams, thus joined together race to the turning line, swing around, and race back to the starting line. The team finishing first with the file unbroken wins.
None
6-10 players per team
Make sure to explain rules clearly before starting. Divide players into equal teams for fair competition.