1. A virtual penetrating mirror device for visualizing at least one virtual object ( 5 ) within an augmented reality environment, with a tracking system ( 4 ) and a displaying device ( 3 ) with a display of displaying device ( 2 ), characterized in that the display of displaying device ( 2 ) is able to provide an image of at least one virtual mirror ( 1 ), an image of the at least one virtual object ( 5 ) and an image of the reflected virtual object by virtual mirror on display ( 16 ).