The toy consists of 4 types of blocks which are in geometric shapes.  With the hints printed on the board, kids will learn about compositions and decompositions of some geometris shapes.  For example, 4 small squares will compose 1 big square, 4 equilateral triangles will make 1 bigger equilateral triangle, 8 isosceles triangle can make 1 square, and etc.  Kids can also play with creativity making their own patterns with the blocks.  Sure there will be more new discoveries!