ephemera

Definitions

• Things that are enjoyed or useful for only a short time.
  Transient whispers of delight, momentary sparks in the dance of time.
  Example: The wedding favors were beautiful, but ultimately just ephemera that would be discarded after the event.
• Collectible items that were originally expected to have only short-term usefulness or popularity.
  Echoes of a fleeting era, captured in delicate relics evoking bygone dreams.
  Example: He collected 19th-century advertising ephemera.