Image Item No. Description  10285-1  (Original Box) for Compass Sensor for Mindstorms NXT Catalog: Original Boxes: MINDSTORMS: NXT  10286-1  (Original Box) for Color Sensor for Mindstorms NXT Catalog: Original Boxes: MINDSTORMS: NXT  2852724-1  (Original Box) for Accelerometer Sensor for Mindstorms NXT Catalog: Original Boxes: MINDSTORMS: NXT  2852725-1  (Original Box) for Infrared Seeker for Mindstorms NXT (Version 2) Catalog: Original Boxes: MINDSTORMS: NXT  2852726-1  (Original Box) for Gyroscopic Sensor for Mindstorms NXT Catalog: Original Boxes: MINDSTORMS: NXT  2853216-1  (Original Box) for Infrared Link Sensor for Mindstorms NXT Catalog: Original Boxes: MINDSTORMS: NXT  2855040-1  (Original Box) for Infrared Receiver Sensor for Mindstorms NXT Catalog: Original Boxes: MINDSTORMS: NXT