The team is divided into two halves, each half is placed in file opposite the other half with a distance of 10 metres between them. One half is called Frogs and the other half Crabs. At the given signal the first Frog leaps forward to the crab line and touches the first crab who crawls back on all fours and touches off a Frog. The team getting back to its original position first wins.
None
Even number per team
Make sure to explain rules clearly before starting. Divide players into equal teams for fair competition.