Amazon.com: IKEA Kallax Shelf Unit, White : Home & Kitchen
KALLAX Shelf unit, white, 30 3/8x30 3/8" - IKEA
Amazon.com: ReplacementScrews Hardware Kit Compatible with IKEA KALLAX 3 x 3 Shelf Unit 404.156.01 - All Screws (104321) and Dowels (101339) : Home & Kitchen
Kallax hack - the parts from a 2x2 and a 3x3 can be reconfigured to create two 2x3s. : r/ikeahacks
KALLAX Shelving unit with underframe, white/white, 577/8x37" - IKEA
KALLAX Shelf unit, white, 30 3/8x30 3/8" - IKEA
Amazon.com: IKEA Kallax 4 Shelving Unit Black-Brown : Home & Kitchen