| 摘要 |
<p>The dice has a spherical transparent body containing a liquid (4) with an element (2) carrying a set of numbers floating in the liquid. At the centre of this element is an air bubble (5). The bubble can be housed inside a cell which also carries a number. The number element has a set of zones each carrying a number. These zones can be concave or convex. The inside face can be smooth and regular, or alternatively follows the shape of the concave zones.</p> |
