The second most complex LEGO set ever.  The longest build process for me, ever.  My longest time without sleeping, ever. My longest review video, ever.  This was a big deal.

Videos:

LEGO Harry Potter Hogwarts Castle 2018 full review! 71043 (40 mins) Mistakes: It's Lupin's DADA classroom, not Transfiguration (gramophone & Classroom 1B style layout threw me off) Not a Susan Bones nanofig; wrong house A round tan cylinder fell off the side of the Stone Bridge Tower in transit and I didn't realize it until most of the review was filmed. Completely insignificant & inconsequential to the appearance of the structure & the review. QUICK look: LEGO Harry Potter Hogwarts Castle in-person walkthrough! (6 mins) LEGO Hogwarts Castle Viaduct geometry problem follow-up