Even numbers behind 4 stations at a 10m diamond - use centre third to mark length.
On 'go!' both (A & C) start together:-
(A) passes (B) who is making an intersecting run across the diamond; (C) passes to (D) who does the same
(B & D) need to be aware of staying left of approaching player to avoid a head-on collision
After passing , all players move to the station they passed to, e.g. (A to B), (B to C).
(B & D) catch, land and pass to the station directly ahead
(B to next D), and (D to next B)
Try to keep in sync by leading at the same time
Now work back the other way:- (B) passes to intersecting (C), (D) to intersecting (A)
The loop finished with both (C & A) catching and passing to the station directly ahead
(C to next A), and (A to next C)
You can reverse the flow of play after a while to keep players alert.
After several minutes, introduce a defenders (E & F) who stand in front of (A & C) respectively
These defenders pressure the passer and intercept if they are quick enough to get a hand on the ball
Extra effort will need to go into keeping the 2 balls in sync - hold the ball briefly if necessary.