HIERARCHICAL TRINOMIAL CUBE

The Hierarchical Trinomial Cube consists of 27 wooden component cubes and prisms.  The cubes represents the equation (a+b+c)³ in concrete form and is different form the Trinomial Cube ; the component pieces and color-coded to represent hierarchical values from one unit to one million, these make it possible for the child to equate an arithmetical value to each of the cubes and prisms.