Using four different salts, you can demonstrate various types of growth during a several-week growing period with this kit.
After growing the small seed crystals, students can suspend these crystals in a saturated solution of the same salt to grow the macrocrystals.
Includes: potassium alum, chrome, sodium chlorate, cupric sulfate, nylon thread, five 237 Ml jars, index cards and complete instructions.
Due to the nature of this item, it cannot be shipped by air under any circumstances. Please select ground shipping at time of checkout