Stalactites and Stalagmites

What you need to make stalactites:
two glass jars
two fishing sinkers
Epsom salts
string
a small plate

What to do:
1. Fill the glass jars with hot water from the tap and stir in about one tablespoon of Epsom salts. 2. Wet a piece of 18 inch long string, tie a sinker to either end and hang it in the water.
3. Leave it undisturbed in a warm place for about a week.
4. Come back daily and check it out, but dont touch it.