To teach players of all ages proper floor spacing and how to cut without the basketball, I have not seen a better offense than the Open Post Offense.
The offense places all five players around the perimeter. With modifications, there are ways to get players into the low post and to offense rebound.
The most well-known user of Open Post Offense at an elite level is Bob Huggins from West Virginia. Here is a great video showing the action of the offense.
Thank you for reading, have a great day.