The Mysterious Dodecahedrons of the Roman Empire
www.atlasobscura.com
The first of many of these puzzling objects was unearthed almost three centuries ago, and we still don't know what they were for.

Few are as intriguing as the hundred or so Roman dodecahedrons that we have found. We know next to nothing about these mysterious objects—so little, in fact, that the various theories about their meaning and function are themselves a source of entertainment.

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^ This ancient dodecahedron found in Avenches, Switzerland, once the Roman city of Aventicum. Woudloper/Wikimedia/CC BY-SA 3.0

  • https://en.wikipedia.org/wiki/Roman_dodecahedron