Small plastic boxes with lids

Whether for small collectibles, crafting materials or children’s toys, transparent small plastic boxes, complete with lids, can help to keep your items organized, itemized and easily viewable (if they are made of clear plastic) so that you know what you have and how much you have at a glance. And for easy storage, you can plastic boxes that can easily be stacked one on top of each other.
Small plastic boxes with lids:

Small plastic boxes with lids pictured: Sterilite Small Flip Top Storage Box, Pack of 12
In some cases, the lid is a completely separate piece, while in others, the lid is attached to the container.