This pendulum board is made out of slate measuring approximately 9 3/4 inches in diameter. Pendulum boards, spirit boards, dowsing boards, or talking boards are used in conjunction with a pendulum to communicate across the veil. Pendulum not included. This item is made to order, we take great care in making sure your pendulum board will be an item you can treasure for a lifetime and we appreciate your patience while we craft it. Has felt feet on the back so as to not scratch any surfaces you put it on. Pictured with a tea light and a Canadian quarter for size reference, these items are not included in the sale.