Learn about vessel work as you use a tube togather glass and blow it into desired shape. Techniques covered arepulling points and flaring. Glass beads, marbles and sculptures are annealed in a kiln for long life. Finished pieces may be picked up the following day.If you are sensitive to dust and fumes, or if you have asthma or may be pregnant, check with your doctor and contact the studio for more information. [no picture]