a game involving sleight of hand, in which three inverted thimbles or cups are moved about, contestants having to spot which is the one with a pea or other object underneath.
Derivatives
thimblerigger
noun
Origin:
early 19th century: from thimble+ rig2 in the sense 'trick, dodge'
thimblerig in other Oxford dictionaries
Definition of thimblerig in the US English dictionary