This game has challenged and stumped mathematicians, royalty, and run of the mill game-player for centuries. This is a high-quality, travel-size version featuring a wood board and 33 beautiful blue marbles. Wood Expressions believes in being a socially and environmentally responsible company, and that the future of society is best achieved through the development of children. This game for is one or more players ages 8 and up; it's not for children under 3 because of a choking hazard.