By placing greenery on the sculpey clay and rolling over it with a rolling pin, an impression was created! Will have to do this as an art project with my homeschool group students around Christmas time.
What to do with your seashells and sand you save from vacations: Buy a shadow box frame and pick a picture from vacation that you took next to the ocean. Place the sand from that beach in the shadow box, add your seashells, sand dollars, starfish, etc. and you have a cheap and easy vacation keepsake!