This is a Moon Phase made out of Birch wood. These are made to order, you can choose between approximately 4, 6, 8, 10, 12, 14, 16 and 18 in diameter and 1/4" thick. This is just for the grid, stones much be purchased separately.
The moon is a feminine symbol, universally representing the rhythm of time as it embodies the cycle. The phases of the moon symbolize immortality and eternity, enlightenment or the dar k side of Nature herself.
Crystal grid and healing sets are groups of stones that go together for a purpose. Sets of crystals and stones are used for ritual magickal or spiritual crystal healing purposes or with Reiki-Seichim energy work for healing. Some are generalized and others have specific purposes.