| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of effectively securing a region where game balls flow down while providing a game board with decoration with three-dimensional sensation.SOLUTION: A projection 461 of a predetermined shape is formed as decoration on the front face side of a light guide plate 428, and another decorative shape is formed on the back face side by surrounding it by recesses 462. Light outputted from an LED 466 is transmitted through the inside of the light guide plate 428 to make the surface of the projection 461 emit light and inside walls of the recesses emit light, thus highlighting both decorative parts. |
