• Size: Approx. 8.7 x 5.1 x 1.3 inches (22 x 13 x 3.3 cm); Mancala Game Set Includes: Board x 1, Glass Ball x 50, Japanese Instruction Manual x 1, Rubber Band to tie the board, Package x 1, Glass Ball Bag x 1 • Material: Mancala game bamboo (board), glass ball (pieces) • Convenient Storage: Comes with a small bag to store unused pieces and an elastic band to tie the board. It can also be used to store pieces and you don't have to worry about the pieces being scattered or lost • Foldable Gi Boy: The folding mancala game makes it very convenient for you to take it with you on a trip or a short trip to a friend's home, or to a park or picnic on a sunny day • Brain Training Game: Brain training game has been played in a world since B.C. It helps children thinking, and interaction with family and friends