6 years & up. This strategy game is simple in concept and complex in application. The goal is to get three sizes of your color pieces in a row or to fill in an entire circle before your opponents. In order to beat them you will have to simultaneously block their pieces and figure out how to get all of yours where you need them without being blocked yourself. The smarter your opponents are the more challenging the game becomes. For 2 to 4 players. Board size: 14.96" x 15.35" x 2.56". Included: 1 Wood play board, 4 Different color sets of 3 rings in small, medium, and large, and Instructions.