an interlocking panel system having individual thin - walled sections , each section being supported by a rectangular frame formed of edge strip material . each edge strip is constructed with an outwardly facing interlocking channel , to permit interlocking engagement of hinges and other connectors . the system includes a flexible hinge assembly which has outer edges shaped to slidably engage into the edge strips , and locking levers for indexing and affixing the respective flexible hinges in locked relationship to the panel sections . the edge strips also have selectively positioned locating holes and a slidable bar is movable into position along the edge strips , to permit the attachment of locating pins and feet for the various panel sections .