* Add 1 Part 3749 Light Gray Technic, Axle 1L with Pin without Friction Ridges (Extra)
* Add 1 Part 2736 Light Gray Technic, Axle 1L with Tow Ball (Extra)
* Change {1 to 2} Part Black 2780 Technic, Pin with Short Friction Ridges (Extra)
* Change {3 to 5} Part Light Gray 4265c Technic Bush 1/2 Smooth (Extra)
* Change {2 to 4} Part Light Gray 4274 Technic, Pin 1/2 without Friction Ridges (Extra)
the set has a thumb-push opening so there isn't a manufacturing number to
mention unless there is one somewhere else on the box but I looked at it and
couldn't find any
Canada, Ontario
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USA, California