Party Activity: Painting with DIY Seashells - . Inspired.
· Simply follow the directions on the container to mix the Plaster of Paris solution, pour into the molds, tap gently to remove air bubbles, and allow the shells to set (about 30 minutes). Dump the mold over and the shells plunk right out. I put them outside in the dry heat for about 24 hours to dry all the way out, then sprayed them with a coat ...