One of the players starts with the ball
After passing the ball to the player on the next cone they have to run and touch the cone in the middle and return to their cone.
the 2nd player does the same and the exercise should be able to continue round and round.
Get the players to change direction.
Rebounding is the least glamorous thing in basketball and one of the most decisive. It is also almost entirely a habit, which means it is entirely coachable.
Good spacing is only the start. The best modern offences teach players to attack the defence's rotations and play in a permanent 4-on-3 - here is how to coach that read.
The ball screen produces almost half of all professional offensive possessions, yet most teams still teach it as a memorised play. The modern approach trains the read - giving players a framework to decide based on what the defence does, not what the coach called.