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
Design | Wayne and Layne
LEGO Transparent Light Blue Electric Touch Sensor with White Button | Brick Owl - LEGO Marketplace