BUILDING UNIT TOY
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Abstract
A TOY BUILDING UNIT OF SPHERICAL SHAPE WITH FOUR HOLES SPACED AROUND ITS OUTER SURFACE FOR RECEIVING PINS TO JOIN IT TO OTHER BUILDING UNITS. EACH SPHERICAL BUILDING UNIT IS FORMED OF TWO IDENTICAL MOLDED ELEMENTS, EACH ELEMENT FORMING A HEMISPHERE WITH A STUD EXTENDING TOWARD THE OTHER ELEMENT AND A HOLE FOR RECEIVING THE STUD OF THE OTHER ELEMENT.
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