This is a box containing 27 wooden cubes painted in various colors. This represents the equation (a+b+c)3 like in a trinomial, but here, the component pieces are color-coded in hierarchical values from 1 unit to 1 million.
$115.50
This is a box containing 27 wooden cubes painted in various colors. This represents the equation (a+b+c)3 like in a trinomial, but here, the component pieces are color-coded in hierarchical values from 1 unit to 1 million.
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