conversation piece
[noun]
Synonyms: curiosity, oddity

[TahlilGaran] English Synonym Dictionary ▲

ˌconverˈsation ˌpiece noun [countable]
something that provides a subject for conversation – often used humorously about objects that seem very strange or ugly

[TahlilGaran] Dictionary of Contemporary English ▲

conversation piece
a strange or interesting object that people talk about.
Charlotte's collection of Victorian cards were a good conversation piece.

[TahlilGaran] English Idioms Dictionary ▲

conversation piece
n. Something that interests people and makes them talk about it; something that looks unusual, comical, or strange.
Uncle Fred has a glass monkey on top of his piano that he keeps for a conversation piece.

[TahlilGaran] English Idioms Dictionary ▲