| 摘要 |
PURPOSE: A number drawing apparatus for lotteries and games is provided to improve the pleasure of probability games using numbers by increasing the expectation of participants. CONSTITUTION: A number drawing apparatus for lotteries and games includes a square board, a first drawing board(1), a first drawing container(3), a second drawing board(2), and a second drawing container(4). Non-overlapped n x m numbers are displayed on the front side of the square board. The first drawing board divides the square board into m pieces to the row direction. The first drawing container contains the divided first drawing pieces. The second drawing board divides the square board into n pieces to the line direction. The second drawing container contains the divided second drawing pieces. Different numbers are displayed on the rear sides of the first drawing board and the second drawing board. Numbers on the front side and the rear side of the drawing boards are respectively different.
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