First Progression:
Player 1 passes to player 2 and runs to replace player 2.
Player 2 passes to player 3 and runs to replace player 3.
Player 3 passes to player 4 (who advanced) and runs to the end of the line.

Coaching Points:
Placement of pass to lead first touch.
Communication - require name and call for ball.  
Accuracy and pace of pass.

Second Progression:
Player 1 passes to player 2 and runs to replace player 2.
Player 2  dribbles out  few steps, plays a leading pass  to player 3 who starts off their mark.  Player 2 continues to replace player 3.
Player 3 receives the leading pass, dribbles a few steps and passes to  player 4 (who advanced) and runs to the end of the line.

Coaching Points:
Placement of pass to lead first touch.
Communication - require name and call for ball.  
Accuracy and pace of pass.
Timing of leading pass to allow reception on the run.  

Third Progression:
Player 1 passes to player 2 and runs to replace player 2.
Player 2 plays a leading pass  to player 3 who starts off their mark.  Player 2 continues to replace player 3 while receiving a returning pass, from player 3
Player 3 continues around waiting line of players to receive a pass from Player 2 who dribbled around the marker cone.
Player 3 then lays the ball off to the next player in line and rejoins the line.

Coaching Points:
Placement of pass to lead first touch.
Communication - require name and call for ball.  
Accuracy and pace of pass.
Timing of leading pass to allow reception on the run.  
Speed of run.