DEXTRO
mathematical
toys
RHOMBO blocks come in two basic shapes — each is a simple rhombahedron (a stretched cube).
Every face of a RHOMBO block is a special Rhombus (a parallelogram with equal sides).
The lengths of the two diagonals are in the mystical Golden Ratio.
The Golden Ratio was the basis for the design of the Parthenon in ancient Greece.
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