Divide group into two teams. Give each team 3 “rocks” (construction paper cutouts about 1 1/2′ x 1 1/2′). Make a start and finish line (maybe 30 feet apart) and tell them that they must get their whole team across without touching the water, using only these rocks to get across. They may move the rocks as they go, however, only one foot can be on a rock at a time. A cool puzzle to try and figure out! Great for building cooperation skills!