This is a Root Chakra crystal grid made out of Birch wood. These are made to order, you can choose between approximately 3, 6, 9 and 12 inches in diameter and 1/4" thick. This is just for the grid, stones much be purchased separately.
The root chakra is literally the foundation of the chakra system, as such its health and proper functions are an absolute prerequisite for living a balanced and fulfilling life. ... The Sanskrit name for this chakra is Muladhara, a compound term formed out of the words "root" and "support".