Elloapic M-M-agnetic Go Chess Game Set with Plastic Stones and Collapsible Go Board, 11.2 x 11.2 Inches4. Complete set; board measures 11.2 x 11.2 inches (28.5 x 28.5 centimeters) and contains a 19 x 19 playing field; 151 black and 150 white magnetic plastic single convex stones apporoximately measu..