| 摘要 |
Device facilitating the production of lotto (bingo) grids. Device consisting of a casing made from rigid but translucent plastic comprising in its base 49 holes numbered from 1 to 49 according to the vertical form of the lotto (bingo) slip and six metal balls in its inside. The six metal balls, after shaking of the casing, are spontaneously positioned and indicate the boxes of the lotto (bingo) slip to be marked. The lotto (bingo) grid game casing may have multiple applications, for example cigarette lighter or key ring, etc. <IMAGE>
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