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d120 and d48

One-hundred-twenty-sided and Forty-eight-sided Dice

The d120 is the ultimate fair die allowed by Mother Nature (i.e., mathematics)! The d120 is based on a polyhedron known as the disdyakis triacontahedron. The d48 is based on a polyhedron known as the disdyakis dodecahedron. For both dice, each face is an elongated triangle. These dice are perfectly numerically balanced, with the same sums for numbers around vertices of the same type. This impressive achievement is due to mathematician Bob Bosch. The dice are available in white, black, red, blue, green and purple, with the d120 also available in clear, translucent amber, and glow-in-the-dark (see video below). They are available at The Dice Shop at Click here to learn more about the design.

The d120 can be used as a dn, where n is any proper factor of 120, including all of the dice in a standard seven-dice polyset. Click here for more information.
Click here for a pdf with tables for using the d48 as a d3, d4, d6, d8, d12, d16, or d24.

Photo of 120-sided dice
Single die: $15.00
Glow-in-the-dark: $20.00
Set of five dice: $60.00

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Photo of 48-sided dice
Single die: $5.00
Set of five dice: $20.00

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Video about the d120:

Video about the d48:

Glow-in-the-dark d120:

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