Requirements: 7 or players recommended; 2 balls or more required;
One player (Player 1) stands in the middle of the circle with a ball. Another player (Player 2) which is part of the circle has the second ball. Player 1 is the worker. Player 1 passes the ball to Player 3 whom is next to player 2. Player 2 then passes the ball to Player 1, Player 1 passes to Player 4, receives from Player 3, passes to Player 5, receives from Player 4 and so on.
Additional Options:
When the worker has grasped the concept speed up the incoming throws.
Add a third ball.
Main Objective:
Peripheral vision.
Other Objectives:
Maintain accurate and skillful passing;
Footwork, in particular pivoting;
Reflexes;
Communication;
Teamwork.

From Amanda Read