3D--GYRO--REVERSE SPIN EFFECT Feel the fascinating GYRO effect and Watch the varying Forward and REVERSE SPIN Effects as the Spinner and Centre Spin Bearing gradually change speed, created by the perfect spacing and balancing of the 3 Dynamic bearings. The High Gloss Finish of the Spinner Body will create varying 3D effects under different light 78mm Diameter Spinner is the Perfect size. The Body is Designed and Crafted from Strong High Quality Acrylic Material. Smooth Feel High Gloss Finish. Perfectly Balanced.