Tip Of The Day: THE BULBS WORK IN PAIRS IF ONE IF NOT WORKIN THE OTHER WILL NOT LIGHT UP.(TWO NEW BULBS PER KIT) NEED TO REPAIR YOUR MR.CHRISTMAS BELLS OF CHRISTMAS (APROX DATE CODE 1991 AND ON ). OUR COMPANY HAS PUT TOGETHER A VERY GOOD HIGH QUAILTY E-10 BULB REPLACEMENT KIT.NOTE: ALL E-10 BULBS ARE NOT THE SAME , THE BULBS WE HAVE PROVIDED WITH YOUR KIT HAVE BEEN SELECTED FOR UNITS WITH 6 or 8 or 10 BELLS ONLY THE CORRECT VOLTAGE AND CURRENT RATING FOR SET BELLS OF CHRISTMAS UNITS.