Etienne unboxing on YouTube

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If its simply a matter using the same molds for all trains wheels then changing it once to move the holes is all they need to do because it is evident that they will never need them again for the plastic rod packaging again which is why the holes are there in the first place as they now use plastic trays. Doesn't sound like it would take much to remove that part on one mold once to make thousands of correct wheels. After all its not like they have to re-engineer the whole thing. I just don't get it and I guess I never will.