Found these wonderful Lego sorting trays at Harbor Freight! : r/LegoStorage

LEGO Storage and Organization for More Efficient Building - Frugal Fun For Boys and Girls

Sorting Box – Blue 5007279, Other

LEGO Storage Sorting Tray - Storage Sorting Tray . Buy Storage Sorting Tray toys in India. shop for LEGO products in India.

Sorting Box – Blue 5007279, Other

A Cheaper Alternative to Sortimo Sorting Bins.

LEGO (R) Storage & Display, LEGO (R) Building Toys, Construction & Building Toys, Toys & Games - PicClick UK

LEGO Storage Box Small BLUE with Sorting Tray

lego storage containers target for Sale,Up To OFF 67%

Monteludus 5 Tray Toy Blocks Sorter Sifter Box Used for Lego, 5 Different Size Lego Blocks Sorting Boxes, Wooden Organizers and Storage Box for Lego Brick, Gift for Lego Lover, Teens

Model Building Tips – Traveling LEGO Storage