Structure assembled from structural members

Claim 1

A gymnastic or playground structure assembled from a plurality of structural members in random spatial arrangement wherein at least one of the structural members comprises a hollow body having sidewalls defining the contour of said hollow body, said sidewalls comprising two substantially parallel lateral wall portions defining a space therebetween and end wall portions unitarily connecting said lateral wall portions so as to define a closed space wherein said sidewalls are provided with at least one opening penetrating said sidewalls for allowing access to the interior of said hollow body, said lateral wall portions and said end wall portions of said structural members are made from plastic and the closed space formed between said lateral wall portions and said end wall portions is filled with a material whose density differs from that of the material of said lateral wall portions and said end wall portions and said sidewalls are provided with connecting means for coupling said structural members together in the area of said end wall portions, said connecting means comprises an internal threaded socket on one of said end wall portions and an external threaded socket on the other of said end wall portions such that the internal socket of one structural member is connected to the external socket of the other structural member.