kaleidoscope kaleidoscope /kəˈlaɪdəˌskoʊp/

noun

1. An optical toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors  ( kaleidoscope )
   an optical toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors
    The child was mesmerized by the ever-changing patterns in the kaleidoscope.
   The child was mesmerized by the ever-changing patterns in the kaleidoscope.
   
   
2. A complex pattern of constantly changing colors and shapes  ( kaleidoscope )
   a complex pattern of constantly changing colors and shapes
    Children are often fascinated by the ever-changing patterns in a kaleidoscope.
   Children are often fascinated by the ever-changing patterns in a kaleidoscope.