Educational puzzle box

Details Educational puzzle box Educational puzzle box

1986-11-18

1987-09-08

Grieb, William H.

Education and demonstration

Physical education

Developing or testing coordination

217 12R, 273156, 434260, G09B 1924, A63F 908

Patent

active

046921192

ABSTRACT:
This educational device provides a three-dimensional, box-like structure and includes a plurality of side portions and a plurality of cross members selectively connectible to the side portions. A variety of threaded fasteners and tools are utilized for assembly of the educational device, which provides both an educational function in the use of different tools and threaded fasteners, as well as a toy providing a puzzle challenge by requiring a particular orientation of parts and threaded fasteners for complete assembly.

REFERENCES:
patent: 571790 (1896-11-01), Pitiot
patent: 700060 (1902-05-01), Loomis
patent: 1090139 (1914-03-01), Edmonds
patent: 1176679 (1916-03-01), Ingraham
patent: 2835986 (1958-05-01), Roeder
patent: 2985451 (1961-05-01), Sims
patent: 3276149 (1966-10-01), Barnabas
patent: 3427731 (1969-02-01), Debolt
patent: 3612537 (1971-10-01), Sato
patent: 4120118 (1978-10-01), Mathews et al.
patent: 4183154 (1980-01-01), Dykes
Child Guidance Toys, "Mechanics Bench", Cleo Learning Aids, Catalog, Feb. 1976, p. 175.

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