kaleidoscope vs kaleidoscopical

kaleidoscope is a noun but kaleidoscopical is not a noun.

Word	Noun	Adjective	Verb	Adverb
kaleidoscope	Yes	No	No	No
kaleidoscopical	No	Yes	No	No

kaleidoscope (noun)	kaleidoscopical (noun)
an optical toy in a tube; it produces symmetrical patterns as bits of colored glass are reflected by mirrors
a complex pattern of constantly changing colors and shapes

kaleidoscope (adjective)	kaleidoscopical (adjective)
	continually shifting or rapidly changing