5 years & up. Have fun and learn to be a chess master with this Jumbo 2-in1 Chess and Checkers Game Set! The mat is non woven material with water proof backing making this great for indoor or outdoor use. The chess pieces easily turn into checkers by removing the top piece. Set includes mat, 16 black chess/checker pieces, 16 white chess/checker pieces and storage bag. Chess pieces measure 6"H to 10"H. Checkers measure 4.25" W. Mat measures 62" x 70".