Powe Functions Mindstorms EV3 Medium Servo Motor (45503) Program Lego Robot Part | eBay
Genuine LegoⓇ Mindstorms 51515 Medium Angular Motor 88018 or 54696 - Free Post | eBay
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
Amazon.com: Lego MINDSTORMS Interactive Motor (9842) : Toys & Games
LEGO Mindstorms motor control board for Raspberry Pi [159010|150597] | Elektor Magazine