It could really be anything, but some common categories include fruits, breakfast cereals, candy bars, car types, etc. All of the other players line up inside the water, holding onto the edge of the pool beneath Roger, like this:
Roger gets out of the pool and stands on the edge, with his back facing the pool. How to play: First, choose one player to be It – say it’s Roger. What you need: Just a swimming pool, one that you can easily swim across in one direction or another. I somehow tend to like those games better. What it is: A good kids pool game, maybe not my favorite, but then again it doesn’t involve rough physical activity, either.