also: カレードスコープ
noun
Refers to the optical toy or metaphorically to a constantly changing pattern or scene. The Japanese synonym 万華鏡 is more common in everyday language.
See also: 万華鏡
子供の頃、カレイドスコープをのぞくのが好きだった。
When I was a child, I loved looking through a kaleidoscope.
The night view of this city is just like a kaleidoscope.