Maybe I am missing something, but does anyone know what the extra sets of 
six parts in Bag 5 are used for?  I realize we need two sets for the “Reverse 
Engineering” mission, but what are the other ten sets for?  The Challenge says 
that they “are related to the FLL Project,” but how?  

Also, the building instructions for Bag 4 notes that there are “unused LEGO 
elements in this bag for the Engagement Model.”  Does that just mean that 
there are “unused LEGO elements” in the bag (that happened a lot), or that 
they are specifically “for” something relating to the Engagement Model (and if 
so, what are they used for?).

Thanks in advance for your help.    

William Merone
CCS Cyber Angels

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