Try-iT! : Basics from Boron 

Cost: $95

Borosilicate glass gets its name from the element boron, which is added as a flux to create an American hard glass.  A melt that occurs at a hotter temperature, boro is well suited for sculptural glass endeavors.  In this class students will create a small paperweight, smash a gather into an icicle ornament as well as experiment with blowing a small object.