* Add 1 Part 3650b Light Gray Technic, Gear 24 Tooth Crown (2nd Version - Reinforced) (Alternate) (match ID 1)
* Add 9 Part 4273 Light Gray Technic, Axle and Pin Connector Toggle Joint Toothed (Alternate) (match ID 2)
* Add 6 Part 4265b Light Gray Technic Bush 1/2 Toothed Type II (Alternate) (match ID 3)
* Add 6 Part 2780 Black Technic, Pin with Friction Ridges Lengthwise WITH Center Slots (Alternate) (match ID 4)
* Add 1 Gear p92tech (Not Applicable) Technic Poster 1992 Large (105383) (Extra)
* Change 1 Part Light Gray 3650a Technic, Gear 24 Tooth Crown (1st Version - Not Reinforced) {match ID 0 to 1}
* Change 9 Part Light Gray 4273a Technic, Axle and Pin Connector Toggle Joint Toothed - Without Slots {match ID 0 to 2}
* Change 6 Part Light Gray 4265a Technic Bush 1/2 Toothed Type I {match ID 0 to 3}
* Change 6 Part Black 4459 Technic, Pin with Friction Ridges Lengthwise WITHOUT Center Slots {match ID 0 to 4}
Comments from Submitter:
Source: sealed set contents (from my own collection).
My copy was produced in April 1993 (batch code is 1623). It is very likely that all regular items were included in earlier copies.