Patent ID: 7491061

Claim:
An educational math toy, comprising: a flat, triangular body having a first face, a second face opposite the first face and parallel thereto, and first, second, and third corners, wherein said triangular body comprises: a hollow case; a central near disposed within said case; first, second, and third outer gears disposed within said case, respectively adjacent the first, second, and third corner thereof, the outer gears meshing with the central gear, each of the outer gears having a first gear face and a second near face opposite the first gear face; a plurality of first numerical factors disposed upon the first gear face of the first of the outer gears; a plurality of second numerical factors disposed upon the first gear face of the second of the outer gears; a plurality of numerical solutions disposed upon the first gear face of the third of the outer gears; and first, second, and third viewing windows disposed in the first face of said case, respectively adjacent each corner, selectively exposing one of the numerical factors and one of the numerical solutions therethrough; a first numerical factor displayed on the first face adjacent the first corner; a second numerical factor displayed on the first face adjacent the second corner; and an arithmetical solution for a combination of said first numerical factor and said second numerical factor resulting from an arithmetical operation displayed on the first face adjacent the third corner.