* Change 4 Part Black {2736 Technic, Axle Towball to 6628 Technic, Pin with Friction Ridges Lengthwise and Towball}
Comments from Submitter:
the instruction on page 16 shows an other item than 2736. Its Item No. 6628 with 4 parts in this set.
There is no official set, that has part 2736 in black.