A panel device for use with a plurality of connectors and rods with the rods connectable to the connectors is provided. The panel device comprises a substantially planar panel member having a plurality of sides. A groove is formed along each side of the panel member. A first groove edge is positioned along one side of the groove. A second groove edge is positioned on the other side of the groove with the second groove edge extending beyond the first groove edge wherein each rod is adapted to be inserted into the groove, the first groove edge and the second groove edge releasably maintaining the rod within the groove.