To provide an auxiliary device for predicting a league game result for enjoying the league game in association with a public game lottery system, in which a declaration of a result prediction for a series of league games played by a predetermined number of baseball teams for a fixed term is made under a fixed condition and prize money is distributed if the prediction comes true.
In this auxiliary device for predicting league game result is constructed of a combination of five sorts of regular dodecahedron prediction display bodies consisting of an surely win regular dodecahedral prediction display body a, a probably win regular dodecahedral prediction display body b, a draw regular dodecahedral prediction display body c, a probably loss regular dodecahedral prediction display body d, and a surely loss regular dodecahedral prediction display body e. On the respective faces in each of the regular dodecahedral prediction display bodies using a regular dodecahedron base material, a predetermined number of displays of a win, a loss, and a draw are indicated at a ratio based on a predetermined prediction.
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