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Obiform d4 Constant Width Dice

Obiform d4 Constant Width Dice


Orbiforms have the same width in every direction. If you put a book on three of these it will roll smoothly on the table, just as a book on three spheres would. Unlike conventional tetrahedral four-sided dice, these dice roll smoothly and wobble as well. The shape is mathematically fair, giving equal probability for the four results. Measuring 1-1/16 inches (29 mm) in diameter, the Orbiform d4 is available in purple

 Pack of 3

£16.99 (p=266)