- The magic: the light bulb won't turn on or off?until it comes into contact with one of the included aluminum rings.- Includes 2 activation and deactivation rings- Realistic light bulb design- All batteries necessary are included.- Note: the bulb could also be potentially activated by touching some other                                                                                                                                 Dimensions: 4.72 in x 2.36 in x 2.36 in<br />Weight: 2.68 oz