Thank you for buying the package To resolve the issues and the author's request to update the package, contact biostart61@gmail.com Add free camera prefab to scene ( delete other camera) this component adds the ability to fly on stage, this is for ease of placement Open Windows - Prefab Placement Tool Select Save Path of your prefabs Button Ctrl + mouse button deletes unnecessary objects Sequential mode places objects one at a time from the list Mode random randomly from the list The Size proportionally key for evenly increasing the elements Placement height the height from which the elements will fall in physical mode createdPhysicalRB.mass = 40 * (newPhysicalObject.transform.localScale.x * newPhysicalObject.transform.localScale.y * newPhysicalObject.transform.localScale.z); Change the value of "40" in the code if you want to set a different mass for the created objects