Sondergut -- Replacement Stones Roll-Up Travel Backgammon Full set of replacement set of stones for the Sondergut Roll-up Travel size Backgammon game !!!!!. Playing stones are 2 cm in diameter (about the size of a penny) to fit perfectly into game board's zippered pocket. Includes 15 black stones, 15 white stones, white and black dice and a doubling cube. !!!!! You can use the replacement stones for a difference sized game board but please note the smaller sized pieces. Note size to be 2 cm!