Three colors of each plastic shape: circles, squares, and triangles in gradation from 1 to 10 cm. The materials are stored in 3 individual wooden boxes with lids.

Materials

Circle, triangle, square .each graph divided into 10.
According to the size, Red, yellow and blue, each color contains three graphics.

Purposes

1 District red, yellow, blue three colors
2The distinction between the shape and size
3Cultivate a sense of order, and logical thinking ability