A stack arrangement having at least two stack elements, which can be stacked on each other in a stacking direction, of which at least one is formed from a transport container which has a container body having a storage receptacle which has a machine receptacle for an electrical or pneumatic hand tool machine. The stacking elements have bus interfaces for transferring data and/or energy between the stacking elements of the stack arrangement, wherein the bus interfaces form a bus connection between the stack elements when the stack elements are stacked on each other.