Originally Posted by Val
We had those for base 10; they call them Cuisenaire rods. I'm digging around now for sets like you described that come in bases 2, 3, etc.
But Cuisenaire rods only do the "long"s part, right? What I'm talking about would also take 7 length-7 rods and stick them together side by side to make a 7x7 square "flat", etc.

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