Crossword clue: a sleight-of-hand trick played with three small cups, shaped like thimbles, and a small ball or little pea.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
a swindling sleight-of-hand game; victim guesses which of three things a pellet is under