| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of maintaining effects of a photocatalyst for a long period.SOLUTION: A game machine places a photocatalyst member 11 at a position where game balls 8 are in contact. The photocatalyst member 11 connects photocatalyst particles with organic binder, removes dirt of the game balls 8 that are in contact with the photocatalyst member 11 by irradiating the photocatalyst member 11 with light beam, and attaches the photocatalyst particles to the game balls 8 to scatter them inside a game board 1 by having the photocatalyst member 11 come in contact with the game balls 8. |
