| 摘要 |
A bingo board having a number board having vertical, spaced-apart columns of rectangular depressions in the upper and lower faces thereof, each upper face depression having a fixed inclined bottom plate carrying a game number and a slide member resting on the inclined bottom plate of each depression, the slide members being slidable down the inclined bottom plates to a position below the bottom plate of a next adjacent upper face depression and within the corresponding lower face depression. Each upper face depression communicates with an adjacent lower face depression through an opening which receives the slide member.
|
