The alternate Items 4 and 5, as well as 2 and 3 (showing 3 of each 3176 and 3176c01) belong to the Samsonite Version of this set.
The 3th 3176 and 3176c01 are needed to attach a 3th wagon, which can be created with leftovers if this set is motorized with set 107-3, like shown in the Instructions of the Samsonite version. |