Found these Sterilite 3 drawer units at Walmart for $8.23 a piece
LEGO Storage Brick 8 (2 Drawers) - Aqua Light Blue
An Opinionated Guide to LEGO Storage: Containers and Cost
LEGO 3-Drawer Storage Rack has three semi-transparent drawers with LEGO elements featured on the sides. It's designed for organizing and sorting LEGO bricks or toys. The removable drawers each have a LEGO plate (4 x 6 knobs) in the front for customization. The LEGO baseplate (32 x 32 knobs) on the top makes the storage rack ideal as a building station or for display of the newest LEGO build.
Lego 3-Drawer Storage Rack System, in Blue
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Reclaim Professional Organizing, LLC
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Lego Storage Box, Lego Drawers, Lego Parts Box, 3D Printed With
Lego Storage Box, Lego Drawers, Lego Parts Box, 3D Printed With
LEGO storage brick drawers review
My boy loves puzzles, but storing them in the boxes they came in
Bins & Things Lego-Compatible Storage Container With Lego