Finding a balance between harmony and strategy, players glide their river stone playing pieces into predetermined positions. A player may not stop their stone mid-stream, jump over a stone, or move onto an occupied space. Game consists of real river stones and bamboo mat that measures 8.75″ x 8.75″ x .25″. Comes in polished bamboo tube for storage and portability. For 2 players. Age 8+. Instructions in 4 languages.