novelty

(noun) originality by virtue of being refreshingly novel. Synonyms: freshness.

(noun) originality by virtue of being new and surprising. Synonyms: freshness.

(noun) a small inexpensive mass-produced article. Synonyms: knickknack.

(noun) cheap showy jewelry or ornament on clothing. Synonyms: bangle, bauble, gaud, gewgaw, fallal, trinket.