Players move their pieces, called cube checkers, as in traditional checkers. But now, players perform an exciting new roll-over move that increases the power of a cube checker at a moment's notice right from the opening move of the game. This creates new and unlimited variations of strategies for the great new game of checkers!Contents: 20" x 20" game board, 2 sets of twelve cube checkers (19mm or 5/8"), rules.