The Wizard of Oz (pinball) ruby slipper flippers, Munchkin huts and roofs, the disappearing witch, the witch legs in the house, the witch castle walls, the throwing apple trees, the state fair balloon, the topper, the laser-cut Oz head, a crystal ball that displays videos, a spinning house and flying monkey assemblies. The machine includes 5 flippers with a reverse flippers mode, 4 pop bumpers, 2 slingshots, 5 magnets, 2 in front of the wicked witch, 2 vertical up-kickers, 1 drop target and 1 spinning target. The Wizard of Oz (pinball) The Wizard of Oz is a Jersey Jack Pinball, Inc. pinball machine designed by
Wizard of Oz experiment by that of the late professor Al Chapanis. In their 1985 University of Michigan technical report, Green and Wei-Haas state the following: "The first appearance of the "Wizard of Oz" name in print was in Jeff Kelley's thesis (Kelley, 1983a, 1983b, 1984a). It is thought the name was coined in response to a question at a graduate seminar at Hopkins (Chapanis, 1984; Kelley, 1984b). "What happens if the subject sees the experimenter [behind the "curtain" in an adjacent room acting as the computer]?" Kelley answered: "Well, that's just like what happened to Dorothy in the Wizard of Oz." And so