Question: things to do with seashells?
Answer: Put them in a pretty jar. Seriously this is the easiest thing you can do and still look all fancy. ... 
Attach them around a mirror. Get a frameless mirror and attach shells to the outer edge.
Make candles. ... 
Use a big shell as a soap dish. ... 
Make shell lights. ... 
Make some Christmas ornaments. ... 
Make a seashell wreath.