This is a quick showcase of the Lego R142A set BUT with a 5car train performance test. BCars 7778 & 7779 were recently built and added to the set. This set is 77767780, and 7780 was modified with 2 motors for preparation! More is listed in the video!

Disclaimer: I DON'T OWN MOST OF THE AUDIO IN THE VIDEO. Credits to them!

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