<P> An impossible bottle is a type of mechanical puzzle . The term refers to any bottle containing an object that does not appear to fit through the bottle's mouth . </P> <P> The ship in a bottle is a traditional type of impossible bottle . Other common objects include fruits, matchboxes, decks of cards, tennis balls, racketballs, Rubik's Cubes, padlocks, knots, and scissors . These may be placed inside the bottle using various mechanisms, including constructing an object inside the bottle from smaller parts, using a small object that expands or grows inside the bottle, or molding the glass around the object . </P>

Where did ship in a bottle come from