kaleidoscope

1. N-COUNT A kaleidoscope is a toy in the shape of a tube with a small hole at one end. If you look through the hole and turn the other end of the tube, you can see a pattern of colours which changes as you turn the tube around. 万花筒

2. N-SING You can describe something that is made up of a lot of different and frequently changing colours or elements as a kaleidoscope. 五彩缤纷; 千变万化

...the vivid kaleidoscope of colours displayed in the plumage of the peacock. ...孔雀羽毛的五彩缤纷。