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Retail packaging for the Monumental Puzzle Game. Inside of the plastic packaging, there is a multicoloured tetrahedral puzzle. Packaging advertises that you can twist to mix shapes and colours, then solve to get all sides the same colour, create shapes, or stack more than one.
A solved Monumental Puzzle displaying red and blue sides.

MonuMental Puzzle

$10.95
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This tetrahedral shaped brain teaser starts looking like a pyramid but quickly changes with each turn. Twist to change shape and colour, then solve to get all the sides back the same colour!