Magic Bullet Blender Top Base Gear Spare Parts You will get 1 top base gear. Also suitable fix for Party Bullet, Baby Bullet, Merlin 123 models. How to change Top Base Gear? If the bottom portion of Magic bullet is round (see above) 1) You need to use your plier or vise as fixed, and turn the screw driver clock wise (if you hold the screw driver on the right hand). If the bottom portion of Magic bullet is flat (see above) http://www.youtube.com/v/4bFEAtopq_w?fs=1&amp;hl=en_US