Have 4 offensive players and 4 defensive players line up inside the paint, and 4 players around the three point line.
One of the outside players attempt a shot the eight players inside the paint battle for the rebound, if a offensive players gets the ball he tries to score and gets 2 points for a made basket or a foul. If a defensive player gets the rebound he tries to outlet the ball to one of the outside players and gets 1 point for a succesfull outlet pass.
Play to 10 points.

Practise offensive and defensive rebounding.