I use something similar from Raaco for my (kid's) Legos. Same grid layout with inserts that lock in place with the lid (no migration of contents if you hold ver

I use something similar from Raaco for my (kid's) Legos. Same grid layout with inserts that lock in place with the lid (no migration of contents if you hold vertically) https://www.raaco.com/Boxes-1601.aspx https://www.raaco.com/Boxes-1601.aspx