Dissolve 1/2 ounce of alum into 1/2 pint of vinegar. Dip a fine tipped brush into the solution and write your message on the shell of an egg. Let dry completely; then boil for 15 minutes.
Writing cannot be seen on the shell, but is on the inside of the egg.
DO NOT EAT THIS EGG . . . .
Tell others about
Comments? Questions? Email Here