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(Filing cabinet not included).
Manufacturer: Montessori BF (Trento, Italy)
The cube visually represents the equation (a + b + c)3 and differs from the trinomial cube because its pieces are coloured to represent hierarchical values from 1 unit to 1 million.
27 parallelepipeds contained in a box with a lid, featuring two opening sides.
Manufacturer: Montessori BF (Trento, Italy)