Title: Educational toy

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.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Liu, Hsing-Ching
Liu, Lan-dih

Application Number: 925929
Filing Date: 1978-07-19
Publication_date: 1980-01-08
Assignee:
Primary Class(es): 434/330
Other Classes:
US Patent Ref:

2190881	Feb, 1940	Palmer	35/9.
2311217	Feb, 1943	Emmert	35/48.
2525738	Oct, 1950	Tormey	273/126.
2563608	Aug, 1951	Laufer	273/109.
4027402	Jun, 1977	Liu et al.	35/9.
4049265	Sep, 1977	Mackie	35/9.

Other Refs:
Primary Examiner: Grieb, William H.
Assistant Examiner:
Attorney: