To increase customer gathering effect by attracting customer's attention by placing the motion of a movable mannequin used to gather customers at a store, an exhibition, etc., into irregular and more complicated motion without any large increase in cost.

Motors 51, 53, 57, 61, and 67 are provided for a neck 11, a left arm 13, a right arm 17, the waist, and a right leg 27 as respective movable part as the dummy 100, etc., and the respective movable parts are driven according to a random control instruction made by a total controller equipped with a random-number generating device. Signal generating devices for voice, music and light are attached to the mannequin and their signal generation is added to the driving of the respective movable parts to attract more customer's attention. The mannequin is formed into a customer participation type by providing an input device for instructing mannequin operation by a customer and then customer's participation intention can be increased.