Do you find matchbox cars hidden in every nook and cranny of your house? Keep each one readily accessible (and organized!) with this wall-mounted "garage." Click through for more on this and other smart storage ideas for toy organization.
5 Detolfs X 5 Expedit cubes. Not sur eif this can still be donw with the new Kallax though.
Ikea Kallax Hack: Craft Room Storage - Hack the Ikea Kallax shelf to build a worktable with a huge surface, convenient craft storage and easy mobility by sandwiching three small storage units between (Top View)