Mandela 4" Grid Board, with three sets of six chips, $13. Board made out of 1/4" thick Birch wood. A mandala is a spiritual and ritual symbol in Hinduism and Buddhism, representing the universe. In common use, "mandala" has become a generic term for any diagram, chart or geometric pattern that represents the cosmos metaphysically or symbolically; a microcosm of the universe. Please state the three sets of chips you would like from the following list: Amethyst, Garnet, Howlite, Labradorite, Mookaite, Moonstone, Moss Agate, Obsidian Black, Prehnite, Quartz, Rainbow Moonstone, Ruby in Zoisite, Strawberry Quartz, Sunstone and Tiger Eye. Second picture is for representation of available chips only.