Sort it out #3: how to identify missing LEGO bricks - YouTube
LEGO 17101 BOOST ROBOT USED (MISSING PARTS / AS IS / FOR PARTS OR REPAIRS) | eBay
How to get / buy Missing pieces for a set that came incomplete?. Missing pieces for step 5 (179 to 182) specifically in my Millennial Falcon set 75257 : r/lego
Missing parts – Studio Help Center
ULPT: Want a free Lego minifigure? Use the Lego brick replacement website, enter the Lego set code you want the figure from, choose the pieces, and for reason put "parts were missing". :
Lego MISSING PARTS Harry Potter 3862 Hogwarts Game & Building Instructions 2010 | eBay
Missing 1 of 6 bags to a set, how can I identify what parts are missing - Bricks
Can You Order Missing LEGO Pieces? If So, How? - VerbNow
Find That Missing Brick With This Lego Parts Database | WIRED
I've had the very rare missing piece before, but have never received a piece that (according to the parts list) isn't even in the set! Bag 2 in the new Space Shuttle