The Oxford Thesaurus An A-Z Dictionary of Synonyms - novelty n.

1) originality, newness, uniqueness, freshness, innovativeness: We are enthusiastic about the novelty of the new sales campaign. 2) gimmick, gimcrack, trifle, gewgaw, bauble, knick-knack, toy, trinket, ornament, plaything, Brummagem, kickshaw: New subscribers receive as a premium some novelty, like a ball-point pen or a cheap clock.