220 E. Washington St.
Learn to “mask” with glass. This is a process where you layer glass in a way that creates intricate design elements. A great intermediate hot glass class.
Prerequisite: Make Glass Beads or equivalent skills.
Registration is $98 and includes all materials, instruction, use of studio and tools, and annealing. Register in person, via phone at 319 338-1566, or on-line.