Image Item No. Description  8547-1 (Inv)  Mindstorms NXT 2.0 620 Parts, 1 Gear, 2009 Catalog: Sets: MINDSTORMS: NXT  45502-1 (Inv)  EV3 Large Servo Motor 1 Part, 2013 Catalog: Sets: MINDSTORMS: EV3  45514-1 (Inv)  Cable Pack 7 Parts, 2013 Catalog: Sets: MINDSTORMS: EV3