| 摘要 |
<p>Lucky members determination device used in Bingo for selection of individual numbers has housing and balls with lucky numbers. The housing of the device (1) features a cavity (2) with a tube-shaped attachment (3). The cavity (2) contains several balls carrying lucky numbers. The shape of the tube-shaped attachment (3) is chosen such that it accommodates only a predetermined number of balls (4). The dia. of the balls (4) is smaller than that of the tube-shaped attachment (3), so that the balls (4) can drop into it. The determination device (1) is made of clear plastic and is provided with a base (5).</p> |
