Image Item No. Description  8547-1 (Inv)  Mindstorms NXT 2.0 620 Parts, 1 Gear, 2009 Catalog: Sets: MINDSTORMS: NXT  10287-1 (Inv)  Intelligent NXT Brick (Black) 1 Part, 2009 Catalog: Sets: MINDSTORMS: NXT  K9833-2 (Inv)  Rechargeable Battery Set (AC Adapter, 230V - 10V Transformer) 2 Sets, 2006 Catalog: Sets: MINDSTORMS: NXT  MiniNXT-1 (Inv)  Mini NXT Brick 3 Parts, 2008 Catalog: Sets: MINDSTORMS: NXT  MiniRCX-1 (Inv)  Mini RCX Brick 4 Parts, 2008 Catalog: Sets: MINDSTORMS: RCX  MS1038-1 (Inv)  Color Sensor for Mindstorms NXT 1 Part, 2006 Catalog: Sets: MINDSTORMS: NXT