Note:

Redesigned during production. There are at least 2 different versions of instructions for this set. The differences for the second version are indicated in this inventory in the Alternate Items section with Match ID 99. Quick overview of redesign: change of Wire Apart from the change above: Some late copies of this set included part 4180c01 Brick, Modified 2 x 4 with Wheels, Train Spoked Small (23mm D.) with red pins instead of black pins. Regarding the curved interference-free rail included in this set, the timeline for inclusion in sets is believed to be as follows: 1985: Part 3241c (interference-free rail without wire) with part 117983a (shown in the Regular Items section). 1986-1987: Part 2731b (rail/wire with long connector) with part 117983b (shown in the Alternate Items section). 1988-1990: Part 2731a (rail/wire with short connector) with part 117983b (shown in the Alternate Items section).

Summary:

Type	Unique Lots	Total Qty
Parts	0	0

Source:
(Unknown)