Bit tricky but great quality
The Binomial Cube is a concrete representation of the algebraic formula (a+b)3. Wooden cube made up of 8 pieces
2 cubes painted blue and red and 6 black prisms. The pieces are stored in a wooden box with a color-coded pattern on the bottom and on the cover. The box has two hinged sides for easy removal and replacement of the pieces.
Recommended for : Age 3-12.
HIGH QUALITY MONTESSORI ITEM MADE IN THE TRADITIONAL MONTESSORI METHOD BY Nienhuis MONTESSORI, USING THE BEST QUALITY MATERIALS AVAILABLE TO MANUFACTURE THE BINOMAL CUBE.