To heighten a game player's will to play the game by vibrating a specified part of a game table at predetermined frequency and interval corresponding to the internal state as the result of a lottery when a stop button is operated.

A slot machine is so constructed that three reels 101-103 having plural kinds of patterns arranged on each outer peripheral surface are accommodated in the central part of a slot machine main body 100, and the respective reels 101-103 are sequentially stopped by pushing stop buttons 121-123 by a player. In this case, when the stop buttons 121-123 are pushed, according to the relationship between the internal lottery result and the position where the stop button is pushed, in the case where the position where the stop button is pushed is shifted from an intended pattern, the stop button is vibrated at predetermined frequency and interval through a vibrating plate 150 depending on the shifting degree. The frequency and interval are determined according to the number of sliding pieces of patterns until the reel is stopped and the number of draw-in piece.