Variation 1
One player Dribbles ball for 1 minute around the players. As soon as they are close to the next player little pass run around and receive the ball again.
Pass should be short not long. Switch players after one minute rotate 2-3 times.
Variation 2
Green Player in the middle Stays for one minute
Player must check into the outside players and receive ball and pass back
Then run to opposite player and repeat.
Make sure the pass isnt a long pass but a short and decently paced pass.
You can add 1 touch, Headers, Trap the ball pass back (Chest, Knee or Foot), Also you can use one ball pass and player must do a turn and pass to opposite player and repeat.