Educational toy

Details Educational toy Educational toy

1978-07-19

1980-01-08

Grieb, William H.

G09B 300

Patent

active

041820525

ABSTRACT:
An educational toy comprises a base provided with a plurality of passages having a V-shaped cross-section, a lid having a plurality of openings corresponding to each said passage, and a series of replaceable question and answer combination cards having one opening at each question and answer illustration section. The quiz results are indicated by the rolling of at least one bead.

REFERENCES:
patent: 2190881 (1940-02-01), Palmer
patent: 2311217 (1943-02-01), Emmert
patent: 2525738 (1950-10-01), Tormey
patent: 2563608 (1951-08-01), Laufer
patent: 4027402 (1977-06-01), Liu et al.
patent: 4049265 (1977-09-01), Mackie

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