Sweet 21

Sweet 21 is a single-player payout machine manufactured by Chicago Coin Machine Manufacturing Company, dated November 3, 1936, with model number 27. As a payout machine rather than a conventional amusement-only pinball, it would have dispensed coins or tokens directly to players based on game outcomes -- a common category of coin-operated equipment in the mid-1930s that operated in a legal gray area and was eventually phased out or converted in most jurisdictions as gambling laws tightened.

Very little further documentation survives about Sweet 21's specific playfield layout, features, designer, or production numbers. Given its age and payout-machine classification, it represents an early and comparatively obscure chapter of Chicago Coin's decades-long history in the coin-operated amusement business.

Because so few details about this particular machine have been preserved, specific claims about its gameplay mechanics, rarity, or historical significance beyond its basic manufacturing record can't be confirmed.