to demonstrate the clockwise locking motion arrow at left end and the counterclockwise opening motion when the free hook portion enters recessed 29g at the base of the pedestal 20 the pedestal means 30 illustrated in fig1 is octogonal in shape rather than circular in plan view as compared to pedestal 20 in fig1 3 in fig1 there is shown a cylindrical pedestal means 50a which embodies a different recessed means for engaging connecting means e g a dovetail type connector for pedestal and beam which is preferred to that means in fig1 3 magnetic or fig8 10 hook means and this dovetail type connecting means employed in fig1 permits housing instructions a treasure in a treasure hunt game a tape recorder or other article the versatility of the beam pedestal combinations can be readily recognized by comparing the geometric combinations of fig1 circular with those in fig1 13 16 and 18 octagonal four pedestals 50 are joined by means of dovetail type connector 54 in recesses 52 there being one recess in each face of the octogon the octogons may be doubled as in fig1 to provide side by side pedestal means for parallel beam 56 in fig1 and 16 there are illustrated a choice of circular and polygonal pedestals e g circular pedestal 50a triangular pedestal 50b rectangular pedestal 50c pentagonal pedestal 50d and hexagonal pedestal 50e a preferred series of dovetail recesses eight in number permit interchangeability of the octogonal and circular pedestals to permit the play or game shown in fig1 to be played with either shape of pedestal the pedestal construction for each embodiment shown permits programmed instructions the.