Educational building game

Details Educational building game Educational building game

1983-07-07

1988-12-13

Grieb, William H.

Education and demonstration

Means for demonstrating apparatus, product, or surface...

Block or like manually manipulatable object having indicia...

434211, 273157R, G09B 2304

Patent

active

047907592

ABSTRACT:
An educational game which has predetermined polyhedral bodies. The dimensions of the edges of the polyhedral bodies are ratios substantially equal to 1 and to a whole power of .tau., with ##EQU1## This game also includes (a) at least one polyhedral body for defining a tetrahedral volume;

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patent: 4334870 (1982-06-01), Roane
patent: 4334871 (1982-06-01), Roane

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