A hollow body having means for connecting several bodies together, the hollow body consisting of two identical shell halves of synthetic material. The halves are provided with ribs and grooves and openings through which pass fixation elements. The hollow body further includes a boring which receives the connection elements, in order to connect several hollow bodies in a detachable manner. At least the top and bottom surfaces are concave, textured and have a plurality of holes whereby the playing...

A playing ball for kicking, throwing, spinning, or rolling, and combinations of these having an outer skin formed by three geometric portions, a central cylindrical disc having a diameter of about nine units of measurement and a pair of flanking dome shaped parabolic portions connected to the cylindrical central portion and both of the domes on the same principal axis as the cylindrical center portion and smoothly connected thereto.

A uniquely constructed playing court having a generally rectangular configuration comprising front, rear and side walls and/or ceiling wherein the front and side walls are a composite of integrated prefabricated panels, the inner facing surfaces of said panels being sheets which, according to one highly unique aspect of the invention, are of polycarbonate material, said sheets being mounted upon corrugated members whose corrugations are filled with a high density foam and the space surrounding s...

A plurality of playing discs adapted to be used in a game in which one playing disc is thrown against a stack of other playing discs, in an attempt to dislodge and upset the discs in the stack. Each playing disc is uniform and characterized by a central depressed area in the top face of each disc, and preferably, a plurality of circumferentially spaced intermediate recesses between the central depressed area and an outer rim of uniform thickness, such central depressed area and recesses creating...

A pack of playing cards comprises forty eight split-value cards, the front face of each of which is divided into two visually distinctive zones by means of a diagonal dividing line. Each of the visually distinctive zones represents a different playing card suit-value combination, the arrangement being such that, through the forty eight split-value cards, there is a first zone representing each of the card values ace through three of each of the four suits clubs, diamonds, hearts and spades, and ...

The improved playing wall consists of a multi-layered wall that is made in two sections. Each section has two outer surfaces made of two layers of a fiberglass polyester resin which sandwich a layer made of masonite. An impregnated paper honeycomb inner support section is located between the two outer sections. U-shaped supports extend around the periphery of each section of the wall, on all four sides. On the vertical sides of each wall, a tube is placed within the channel of the U-section and ...

Multiple plastic molded squares with means to interlock strips of the same so the entire surface expands and contracts during changes in temperature without creating distortion. The top surfaces are rough and under the top surface there are a plurality of projections for supporting the playing surface raised from an underlying base surface.

Substantially planar, horizontal athletic fields comprising a substrate provided with a finish or coating of particles of an elastic plastic in the form of flat plates or scales whose length is at least 1.5 times the thickness of the plate or scale and a method of improving the abrupt braking qualities of an athletic field and the said particles.

Disclosed are two interrelated sets of adult skill-oriented games derived from Vectorial and Mancala-like intelligence. In respect to their structural elements and behavioral dimensions these games evidence numerous improvements over the state of the art. The essential, linking feature common to all games of the invention is the rapid qualitative and quantitative transference of pieces, as defined, within a restricted, vectorial field or matrix with a view toward establishing certain winning for...

A set of playing pieces for a game of jacks or the like, wherein each playing piece is in the form of a multi-point jack having portions defining at least four extremities spaced at least approximately equi-angularly about, and at at least approximately the same distance from a central core. The extremities allow tripodal support of the multi-point jack on the flat surface in different orientations. The playing piece is in the form of a figurine and at least some of said extremity-defining porti...