Cosmo Clock 21 is a 112.5 metre tall ferris wheel at the Cosmo World amusement park in the Minato Mirai 21 district of Yokohama, Japan. When it first opened, it was the world's tallest Ferris wheel, until the completion of the 108-metre (354 ft) Igosu 108 in Shiga, Japan, in 1992.