Colored Crystal Garden

Materials Needed:

   Water (warm)
       Stones (porous ones)
     Food Coloring
  Salt
   Vinegar
   Container

What to Do:

     Invite children to help fill a container (halfway full) using the warm water.
  Add food coloring to the water and mix.
     Invite the children to add salt to the colored water 1 teaspoon at a time, stirring after each teaspoon; until salt has dissolved (continue to add salt until no more salt will dissolve).
     Add approximately 1 tablespoon of vinegar to the water mixture and stir.
   Fill the container with the porous stones.
   Explain to the children that by the next day they will see what beautiful transformations took place in their colored crystal garden!