6-Ace Shapes - Koplow Games

Enclosed are two pair of dice.  One pair is normal size, the other pair is 7% thinner in one direction and is called Shapes, with the 6 and 1 being the largest, or standard size, and the most frequently rolled. 2-7-12 favored numbers are called Flats. Although designed for cheating, they are now occasionally used in math classes to show statistical probabilities and an abnormal bell curve.