Hey! Play! Giant Classic Tic Tac Toe Game &ndash; Oversized Interlocking Coloful EVA Foam Squares with Jumbo X and O Pieces for Indoor and Outdoor Play EDUCATIONAL- Each X and O piece measures 8 inches across, making them easy for both children and adults to hold while teaching your child how to identify colors, patterns and basic shapes while also developing their hand-eye coordination. NONTOXIC- The tiles and playing pieces are made from 100% non-toxic EVA foam. So whether theyre used to create a playing space either inside or outdoors, parents can be sure theyre safe to play with. STURDY- Each tile is .33 thick and has 4 interlocking edges, allowing them to make a square mat that measure 37.5 inches long and 37.5 inches wide. Theyre durable enough to use indoors, or outdoors for family fun in nice weather. CLEANS EASILY- Parents can clean spills and messes from the foam tiles easily with a soft, damp cloth or sponge and warm, soapy water. Parents should allow the tiles to completely air dry before the next play time. PRODUCT DETAILS- Materials: EVA Foam. Assembled Dimensions: 37.5 L x 37.5 W x .33 H. Square Piece Dimensions: 12.5 L x 12.5 W x .33 H. X Piece dimensions: 8 L x 8 W. O Piece Dimensions: 8 Inch Diameter.