Basement bathroom door for cleaning supplies. Kitchen to basement door for pantry items. Back of girls' door for barbies. Inside girls' closet for shoes. Inside my closet door for belts and scarves. Entry door for shoes, mittens, etc.
Here’s a major list of inspiration for LEGO storage ideas. From over the closet shoe holders where bricks can be sorted by color or size, to repurposed tool boxes, under the bed storage, and tackle bo (Cool Designs Storage)