Cones are used to mark two playing areas next to each other. Distances must be created adequatelly to the given age-group, the players' abilities and technical level.
Two teams of six are identified with different colors. Four ball possessors and two defenders are located in both areas. 
Three neutral players are also involved into the soccer game. One of them is placed in one of the grids, the other two are in the other area as shown.
By this means 5v2 and 6v2 situations are created in the playing areas.
Of course the game works with other number of neutral players, however it can have affect on the soccer specific endurance and the quality of the possession. 
The neutral players' roles are changed periodically.

Teams in possession try to keep circulate the ball against the two defenders with the help of the neutral players. Neutral players have to leave and run to the other area after passing the ball. So neutral players perform a continuous rotation between the two areas based on their ball contacts. When defenders intercept the ball they have to try to dribble the ball out from the playing field.