Create beautiful gem look alikes;Fun crystal chemistry kits;Comes with growing containers, stirring rods, and instructions and enough materials to make 15 mineral specimens;Crystals Measure in size from 1 to 4;Perfect for ages 10 and up

• Grow Your Own Aquamarine-like Crystal Clusters
• Blue

Grow Your Own Aquamarine-like Crystal ClustersKristal Educational, Inc.