White nylon plastic with a matte finish and slight grainy feel.
About this Product
This is another member of the Average Dice family. No frame needed this time. You have to make the average of the 3 visible faces of the tetrahedron to find the result of this D4. For instance, if those faces are numbered 1, 7 and -2, as 1+7-2=6 and 6/3=2, the result would be 2.