The craft itself is rather straightforward, but I like the idea of using inexpensive tealights for both the wick and the wax.
You can make this! Spray paint large sea shells with silver paint and clear high gloss.
Sea shell wreath
DIY Tutorials for Things to do at the Beach | Seashell Covered Letters by DIY Ready at http://diyready.com/things-to-do-at-the-beach/
candle, sand. sea shells...so pretty
Sea Shell Wreath by donnahubbard on Etsy, $50.00
Sea shell Frame
How to drill holes in seashells so you can use them for jewelry, curtain accents, etc.
How to Make A Shell Wreath
Simple Sea Shell Crafts