A slot machine, fruit machine, poker machine or pokies is a gambling machine that creates a game of chance for its customers. wikipedia.org
Spin the reels and aim to align specific symbols on active paylines to win prizes based on the paytable.
Sittman and Pitt of Brooklyn, New York, developed a gambling machine in 1891 that was a precursor to the modern slot machine. It contained five drums holding a total of 50 card faces and was based on poker.