Optical Illusion RingMesmerizing Shape Shifting Ring The illusion of a ring changing size is now possible. A ring that shrinks and expands all by itself Super easy trick for magicians of all skill levels Use for hypnotic magic routines No other equipment, props or no set up required Baffle your audiences up close Optical Illusion Ring and detailed instruction card included. Product Details: Single Packaged Unit Dimensions: 10 x 2 x 6 inches Weight: 0. 29 lb Designed by