60 enclosed in the base box 40 50 is the driving mechanism 10 the driving mechanism 10 works on the following principle a drive wheel 111 attached to the drive shaft of the motor 11 which is fixed on the corner of the bottom of the base box 40 drives a driven wheel 14 via a direct or indirect way in this invention the preferred embodiment is an indirect drive using a drive belt the driven wheel 14 is seated and fixed on the lower end of the exterior surface of a rotating shaft 12 which is a generally cylindrical and vertical configuration a vertical central shaft 13 is fitted onto the interior surface of the rotating shaft 12 by two bearings 181 182 at the lower and upper ends this shaft 13 which is not rotatable and sustains the moving parts of the running system and the platform is fixed at the center of the bottom of the base box 40 coupled with the top end of the exterior surface of the rotating shaft 12 are specifically configured circular or elliptical inclined plate 15 and a driven disc unit 16 mounted thereon the inclined plate 15 has a high and low point and three locating holes 151 on the top surface it contributes to the three dimensional movement and is attached to the top end of the exterior surface of the rotating shaft 12 by 4 screws 152 the driven disc unit 16 whose top sides is connected to the fixture of the platform is mounted on the inclined plate 15 by matching the three male screws or pins to the three locating.