The tic-tac-toe board is made from solid, heavy-duty semitransparent tawny acrylic for durability, with 9 squares, 5 black acrylic X pieces, and 4 white acrylic O pieces, four nubs on the bottom to prevent slippage and scratches, measuring 12"" x 12"" x 1"". It is a welcome part of any office and home s decor, adding a nice decoration piece to any house! The set is perfect for people of all ages, great for all occasions, and can be played at any time.