To play this game, you will need a ball of string. One player calls out a shape with straight lines, such as a square, rectangle, or diamond. The next player takes the ball of string, holds on to the loose end, says one, and tosses the ball to another player. That player says two and moves into position to make the shape. He or she holds the string and tosses the ball of string to the next player. The game continues until the shape is completed.