When set in motion, a continuous stream of balls will roll along tracks within and between two towers like a roller coaster, producing dramatic sounds and visual effects.
英
美
- 透过圆球在两座高塔间过山车般穿梭往返,产生一连串赏心悦目的声响及视觉效果,构成香港科学馆展品的一个重要标志。