Having a box with lots of repair parts is always a good thing. One thing of note as I found out the hard way with a few of my customs or repairs...the Flat Drives are not all the same as there are some differences as to how the front accommodates the front wheels or the opening where the drive gear meets the axle gear. Also, like the Flat Drives, the Thomas type Motors might all look similar there are some differences too especially around the negative terminal pin.
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