1. A gaming machine comprising: an information reading unit that reads object information from a reading object provided with a storage medium in which the object information is stored, the reading object being mountable on the gaming machine; a game processing unit that performs game processing to provide to a player a game in a plurality of game states including a base game state and a bonus game state in which a greater advantage is provided to the player than in the base game state; and a display unit that displays an effect related to the game, wherein the game processing unit controls a frequency of occurrence of the effect to be displayed on the display unit during the game based on the object information read from the reading object by the information reading unit, the game processing unit determines an advantage provided to the player in the bonus game state, based on the object information read from the reading object by the information reading unit, the reading object is a three-dimensional figure, and the figure is configured to be capable of attaching thereto a subsidiary figure having a subsidiary storage medium in which a subsidiary object information is stored, wherein the information reading unit reads the object information stored in the storage medium of the figure and reads the subsidiary object information stored in the subsidiary storage medium of the subsidiary figure, and wherein the game processing unit determines the advantage provided to the player in the bonus game state, based on the identification information and the subsidiary object information.