This is a Mandala Sphere Holder Crystal Grid made out of birch wood. These are made to order. You may choose between 8, 10 or 12 inches in diameter. All grids are 1/4 inch thick. Crystal grid and healing sets are groups of stones that go together for a purpose. You may choose just a center hole or all the holes as shown in the 2nd picture.
Sphere holders allow you to set spheres on the crystal grids. Stones not included.