Image Item No. Description  8547-1  (Instructions) for Mindstorms NXT 2.0 Catalog: Instructions: MINDSTORMS: NXT  MS1048-2  (Instructions) for EOPD Sensor for Mindstorms NXT (Electro Optical Sensor) Catalog: Instructions: MINDSTORMS: NXT  MS1060-1  (Instructions) for Mindstorms NXT Touch Sensor Multiplexer Catalog: Instructions: MINDSTORMS: NXT