Premium Rhea Eggshell - Grade B Grade B eggshells have visible imperfections. May have visible stains or scratches. NOT for Eating or Hatching! These are empty eggshells for Arts & Crafts. NO cracks. Every egg is blown out, cleaned, sanitized, and deodorized. Perfect for decorating, painting, decoupage or any other art form where the imperfections may be covered, hidden or camouflaged.