Boston Red Sox vs New York Yankees is the classic game of checkers where the king wears either a Boston Red Sox baseball helmet or a New York Yankees baseball helmet! The MLB Rivalry checkers game includes 12 Boston Red Sox checkers pieces, 12 New York Yankees checkers pieces, 4 Boston Red Sox baseball helmet king pieces, New York Yankees baseball helmet king pieces, a 13" x 21.375" rivalry game board, 1 sticker sheet, and an instruction sheet.