LEGO Graveyard Mystery Hidden Side set # 70420 Retired Brand New Sealed HTF 673419301282 | eBay
Amazon.com: LEGO Hidden Side Graveyard Mystery 70420 Building Kit, App Toy for 7+ Year Old Boys and Girls, Interactive Augmented Reality Playset (335 Pieces) : Toys & Games
LEGO Hidden Side Graveyard Mystery 70420 book INSTRUCTION MANUAL ONLY | eBay
LEGO MOC 21310 - Hidden Harbour Side (70418, 70419, 70420) by the_bricked_cave | Rebrickable - Build with LEGO