Its playfully revolutionary movement produces moving reflections (12)
I believe the answer is:
kaleidoscope
If this is the answer, I'm afraid I cannot explain it.
Can you help me to learn more?
(Other definitions for kaleidoscope that I've seen before include "ever-changing patterns" , "Device showing coloured patterns" , "Toy making coloured patterns" , "poodle is plastered with cake" , "Optical pattern-making toy" .)