16″ in diameter and 1″ thick, all laminated hardwoods with a furniture finish. The Colossal Hardwood Marble Solitaire game board comes with 32, 1-3/8″ size marbles. A beautiful decoration for any coffee table and fun to play. Besides being a family game board, it is the ultimate entertainer for your guests. This games attracts anyone that comes into the room. Its a fun and easy game to play, but very challenging to beat. Rules and instructions are included with the game.