Powerful rotation for your Power Functions!
Add an extra XL-Motor to your LEGO creations! This super-strong motor will give plenty of power to your models, whether it’s spinning a wheel or turning a system of gears.
Use the "M" Motor to animate larger builds.
Requires battery box (Item #8881), not included.
Important Notice: Typing error in Building Instructions for 7645 MT-61 Crystal Reaper. To bring your Mars Mission MT-61 Crystal Reaper to life, please purchase 2 #8883 Power Functions 'M' Motor and not the 'XL' version.