Very few of these exist. It is placed behind a screen and the voting members of the lodge queue up and are given one ball each. The vote is cast by going behind the screen and putting the ball into either the white or "black" hole. The hope is that, when the drawer is removed, it will be empty.
I know of one lodge who vote in this way whose "black" hole is too small to admit a ball!
(No price since it's unlikely anyone will want one of these).

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