| 摘要 |
A simple structure which is in itself a recreational unit and which is adaptable for mating with like structures wherein infinitely variable combinations and permutations of recreational facilities are provided. The basic unit generally includes a hollow cuboctahedron with each of the square faces including a regular centrally located opening therethrough. Traverseway members for access to or egress from the interior of the cuboctahedrons may be fastened thereto either at one end of a traverseway or, if desired, at both ends thereby bridging the gap between cuboctahedrons. The traverseways may be hollow tubular or semicircular in cross section and if fastened at one end only can be utilized as a slide. The free end of the slide includes a depending support.
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