Introduction to the Shanghai Grand Carousel: The Shanghai Grand Carousel is my country's first giant Ferris wheel over 100 meters tall. It was officially put into operation on May 1, 2002. The "Shanghai Big Carousel" has a total height of 108 meters; a disk diameter of 98 meters; a total weight of 580 tons, a maximum passenger capacity of 1,260 people/hour, and a running cycle of about 25 minutes.