To DIY this, you'll need a shell, an air plant, and some twine to hang it all from. A six-pack of these cute sea urchin shell air plant hangers by Rumia is also available on Amazon ($14.99).

There are some crafty suggestions, and other ideas which ... on its own. Air plants are another hard-to-kill option for those of us with a black thumb. Molly from DIY blog Almost Makes Perfect ...