From their site: Shuffleboard doesn’t have to be a fair-weather sport. Enjoy it year round from the comfort of your own home or backyard picnic table. In singles - after all pucks are played, constituting a half round, the players proceed to the opposite end of the board and start play, with the color lead changing to blue. In doubles - after all pucks are played at head of board, play starts at foot or opposite end - red leading, blue following. Color lead does not change until both ends have played a round. A round consists of completed play at head and foot of board- a half round completed play at one end of board. The object of play is to place four pucks within, but not touching lines of the highest scoring area. A puck, which stops in the area between farthest foul line and shooting area, is dead, and shall be removed before further play. Game is scored on 50, 75 100 point basis. FEATURES & SPECIFICATIONS • Solid 0.75 thick wood frame • Playsurface is painted and screen printed graphics, using lead-free ink • Game includes eight roller-bearing pucks