GOOD FOR BEGINNERS- The board included with the set has an 8x8 grid on one side for learning and teaching basic rules and strategy, while the reverse side has a 12x12 grid to offer a more challenging game for intermediate players. CONVENIENT STORAGE- Both the black and white playing stones come in their own snap-lid container that keeps them in one place while travelling, in storage and for players to draw from during a game. DURABLE- The board itself is crafted from wood and each piece is made of melamine to be sturdy and durable for travel to parks and parties and to stand up to daily play without becoming marred or damaged. EDUCATIONAL- The game of Go is not only fun, but it will teach children how to think strategically and develop their hand-eye coordination and hone their math skills as they learn the rules of the game. PRODUCT DETAILS- Board Materials: Wood. Board Dimensions: 12.75"; L x 12.75"; W x .75"; H. Stone Materials: Melamine. Stone Dimensions: .75"; Diameter.