Place a player, preferably a taller one, in front of each team, at a point half-way down to the turning line. Have these players spread their legs widely. At the signal, the first player runs, dives between the legs of the stationed player, runs to the turning line, returns to the starting line and touches off the second player who repeats.
None
6-10 players per team
Make sure to explain rules clearly before starting. Divide players into equal teams for fair competition.