This is a Bull Skull crystal grid made out of Birch wood. This grid is 10 inches in diameter and 1/4" thick. This is just for the grid, stones much be purchased separately.
Some Native American tribes believe that the bull skull is a symbol of life-long protection from all natural elements. Today, the image still represents the attributes of the bull, such as courage, toughness, and agility. Some other meanings and attributes associated with bull skull images are: Strength.