knick-knack

noun knick-knack

• gimmick — an ingenious or novel device, scheme, or stratagem, especially one designed to attract attention or increase appeal.
• oddity — an odd or remarkably unusual person, thing, or event.
• curiosity — Curiosity is a desire to know about something.
• souvenir — a usually small and relatively inexpensive article given, kept, or purchased as a reminder of a place visited, an occasion, etc.; memento.
• trifle — an article or thing of very little value.