Explain that after Jesus was arrested, He was beaten. Let the kids smell the vinegar. Put 1 teaspoon of vinegar into a mixing bowl. Explain that when Jesus was thirsty on the cross, He was given vinegar to drink. Add egg whites to vinegar.
Eggs represent life.
Explain that Jesus gave His life to give us life. Sprinkle a little salt into each child's hand. Let them taste it and brush the rest into the bowl. Explain that this represents the salty tears that were shed by Jesus's followers, and the bitterness of our own sin. So far, the ingredients are not very appetizing.