Geometric construction kit

Details Geometric construction kit Geometric construction kit

1975-05-27

1976-12-21

McNeill, G.E.

46236, 46241, A63H 3310, A63H 3326

Patent

active

039980049

ABSTRACT:
This invention employs a multiplicity of polygon-shaped members having magnetic edges which permit the members to be easily joined in order to fabricate two- and three-dimensional objects such as polygons and polyhedra for recreational and/or educational use.

REFERENCES:
patent: 1236234 (1917-08-01), Troje
patent: 2776521 (1957-01-01), Zimmerman
patent: 2872754 (1959-02-01), Cronberger
patent: 3196579 (1965-07-01), Lepper
patent: 3426453 (1969-02-01), Dingwall et al.

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