Akaleidoscope is a toy consisting of a tube with mirrors and glass that you can turn and create different patterns and colors, or an ever-changing sequence of colors or events. (noun)
A toy where you look down a tube to see different colors and patterns is an example of akaleidoscope.
When the color of the sky is changing constantly, this is an example of akaleidoscope of colors.
See kaleidoscope in Webster's New World College Dictionary
noun
a tubular instrument containing loose bits of colored glass, plastic, etc. reflected by mirrors so that various symmetrical patterns appear when the tube is held to the eye and rotated
anything that constantly changes, as in color and pattern
See kaleidoscope in American Heritage Dictionary 4
(kə-līˈdə-skōpˌ)
noun
A tube-shaped optical instrument that is rotated to produce a succession of symmetrical designs by means of mirrors reflecting the constantly changing patterns made by bits of colored glass at one end of the tube.
A constantly changing set of colors.
A series of changing phases or events: a kaleidoscope of illusions.