For Extra Storage Anywhere: Room Essentials 11" 6 Cube Organizer Shelf | 16 Storage Products You Never Knew You Needed From Target | POPSUGAR Home Photo 10
16 Cube Organizer White - Brightroom™ : Target
Easy no Tools Door for Cube Shelves Minimalist - Etsy
11" 3 Cube Organizer Shelf Dark Brown - Room Essentials™ : Target
16 Cube Organizer - Brightroom™ : Target
If you're not near an Ikea and want a basic floor-standing Kallax alternative for game storage, Target has this one that works OK. A heads-up in the comments. : r/boardgames