The above is currently the only image for this item.
A very confusing sticker variation. From the early 1980s.
I once had a guy on the subway ask me if the arrows were instructions telling me which part to twist next!
David Singmaster mentioned it in Cubic Circular #7&8 from 1985. This gives an upper bound for the year of production.
Mark Longridge created the sample shown here.
Edge length: 57 mm
Weight: 100 grams
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