Patent ID: 9443439
Filing Date: 2016-09-13
CPC Classification: A63F,A63H,G09B

Claim Text:
1. A figure plate set for learning, comprising: a first triangular plate having angles of 45° and 90°; and a second triangular piate having angles of 30°, 60° and 90°, wherein a length of one of two orthogonal sides of the first triangular plate is same as a length of one of two orthogonal sides of the second triangular plate, a new triangular shape can be formed by combining the first triangular plate and the second triangular plate, a group of figure plates is further provided so that an outer shape of the group of figure plates matches the new triangular shape when the group of figure plates is combined, and when the group of figure plates is stacked with the first triangular plate and the second triangular plate so that the outer shape of the group of figure plates matches the new triangular shape, a point of contact of apexes of all of the group of figure plates matches a circumcenter of the new triangular shape.