Abstract: It consists of an opaque blind (4) susceptible to covering part of the display (1) carrying the images (2) that are visible through the screen of the machine at the end of each play, for the purpose of temporarily hiding said images (2) to substitute them with others existing on the outer face of the blind (4). This blind (4) is associated to an arm (5) finished off with a ring (6) assembled with rotational freedom on a support (10), said disc ring (6) having a gearing (7) through which it receives the movement from a micromotor (9) which makes the blind (4) rock between the operating and non-operating limit positions, duly defined by a pair of end stops (11-11?) or by the electronic control of a “stepper” type drive motor (9).

Abstract: The board game (1), with the conventional pivots (2) determining the labyrinth-type course for the ball, is framed by a circumferential channel (5) in which there is a ring (8) provided with at least one lateral, internal opening (12) so that, upon the rotation of said ring (8) each housing (12) is placed, in sequence, opposite a lower opening (7) of the circumferential channel (5) in order to receive a ball (16) and opposite another upper opening (6) via which the ball returns, under gravity, to the game zone.