You need a global variable to store the newly created BeachBall UID.
An event will snap the BeachBall with this UID to your Touch coordination.
On created Object "BeachBall" : Set Global Variable "BeachBallUID" to BeachBall.UID
On Touching the screen
------Pick Object by UID = Globalvariable BeachBallUID : Set BeachBall position to Touch.X and Touch.Y
gl!