For chess on the go, no other device provides the same level of fun and excitement! More than 50 levels of play will keep chess whizzes of all skill levels playing at their best. In addition to traditional elements of the classic game, this handheld electronic chess game features a threat indicator, automatic scoring, game timer, undo key and more ehancements. There's even a hint option, which acts as a virtual chess coach to help you master this game of strategy and logic. Size: 4 3/8"L x 3 1/8"W x 3/4"H. Weight: .25 lb. Requires, two AAA batteries, not included.