Wiktionary
n. (plural of ball machine English)
Usage examples of "ball machines".
We had pushed our luck far enough with that place and the world was full of colorful gum-ball machines.
She watched as the lottery drawing began and the ball machines fired up.
That huge room was bare now, but in season it would be filled with a variety of pin-ball machines, shuffleboard, bowling, shooting galleries, electronic games, and carnival booths where you could get your fortune told or where a boy could spend ten dollars in quarters to win a three-dollar toy animal for his best girl.
Chick is an expert mechanic on pin-ball machines and other gambling devices.
For a year or so she went steady with a boy studying to be a law student, a fairy-like creature who never did appeal much to me, although he liked to play pin ball machines -- to learn the mathematical odds, as he explained it.
Gompton wouldn't let us use, and some real old pin-ball machines that she wouldn't even let us stand near, and great ice cream.