Amazon.com: LEGO MINDSTORMS EV3 Building Set Includes 3 Interactive Servo Motors, Remote Control, Improved And Redesigned Color Sensor, Redesigned Touch Sensor, Infrared Sensor And 550+ LEGO Technic Elements : Toys & Games
LEGO MINDSTORMS: MINDSTORMS EV3 (45502) for sale online | eBay
EV3 Medium Servo Motor | MINDSTORMS EV3 Accessories | Eduk8
Running third party motor with your Mindstorms EV3 / NXT | Marek's microsite