Two-sided hard Bamboo Aggravation / Wahoo / marbles board game. Large Big Marbles. New layout, on 20" board, Large 7/8" (22mm) marbles, and Marble Catcher. 2 - 6 players on one side, 2- 4 players on the other side. With marble catcher gutter around the outside. Made with hard and durable Bamboo. Marbles are included. The boards are 20" across. Scalloped 12 sided board, round but will not roll away if you set it on the side.