Today is National Dice Day! Dice, used in a variety of games of chance, have been around for thousands of years. Dice can come in many shapes and have different numbers of sides. Materials used for dice over centuries varies in what is available and preferred by players such as wood, ivory, and bones. Many California Native American tribes, and this varied greatly amongst different villages, played games of chance with dice made from walnut half shells filled with pine pitch and adorned with pie