Toy building block puzzle

Details Toy building block puzzle Toy building block puzzle

1996-01-02

1997-02-11

Grieb, William H.

Amusement devices: toys

Construction toy

Interfitting elements

273157R, A63H 3308, A63F 910

Patent

active

056014708

ABSTRACT:
A toy building block puzzle comprises a plurality of at least five differently shaped building blocks. Each block has a peripheral side wall which may include a plurality of lugs and recesses. The lugs and recesses are shaped and sized to interlock two or more blocks together in a horizontal plane by which puzzles of geometric and alphabetic configurations may be formed.

REFERENCES:
patent: 269789 (1882-12-01), Jaeger
patent: 1531542 (1925-03-01), Cogshall
patent: 2472363 (1949-06-01), Blackinton
patent: 5439221 (1995-08-01), Harvie

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