Power Functions XL-Motor

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.