Feature●This is a popular set of plastic gobblestone (approximately 0.3 inch (7 mm) thick)●Weight per outer box is about 1100g●Set of 180 white stones and 181 black stones●Great for school and go tournamentsDescription
This is a plastic game board and a pair of gigsaws.
(Set Contents) Plastic Go Board, Plastic Go Stone.
(From Amazon.co.jp)