To make your own salt crystals, you'll need a few items from around the house.
A heat-proof, glass jar (a mason jar is excellent.)
A measuring cup
About 1 cup of boiling water
About 1/2 cup of salt
A pencil
Cotton string
A spoon
A paperclip
A paper towel
![[Picture of glass jar, measuring cup, box of salt, pencil, cotton string, spoon, paperclip, and paper towel]](images/grow-equip.jpg)
A heat-proof, glass jar (a mason jar is excellent.)