* Change 12 Part Black {6628 Technic, Pin with Friction Ridges and Tow Ball (Undetermined Type) to 6628a Technic, Pin with Friction Ridges and Tow Ball with Round Pin Hole}
* Change 2 Part Black {23801u Technic, Steering Wheel Hub Holder with 2 Pin Holes and 2 Arms with Axle Holes (Undetermined Type) to 23801 Technic, Steering Wheel Hub Holder with 2 Pin Holes and 2 Arms with Axle Holes - With Slots}
Comments from Submitter:
From my son's personal collection originally from sealed set contents.