A wireless repeater having a receiving antenna for receiving an input signal and a transmitting antenna for transmitting an amplified signal includes first and second front-end circuits and a repeater baseband block coupled between the first and second front-end circuits. The core comprises at least one thermoplastic material and has a top surface and bottom surface wherein a print layer is affixed to the top surface of the core and an overlay layer is affixed to the top surface of the print layer. This disturbing action provides the inertia necessary to disturb the solid matter and begin the free flow of the tank’s contents. A cover for the wagon’s inner chamber may be shaped like a saddle to support one or more children. A panel depending portion includes a length greater than a length of the depending lyre, which facilitates breakdown of the piano for transport without jeopardizing the lyre by the piano weight.