Yiggam, a resident of the Peltoid Valley was glassmaster of the Antharia Guild in 966 GUE. He was commissioned by the Frobozz Magic Equipment Company to handblow beakers, tubes, and swizzle sticks. This laboratory glass was so exceptional, that it was claimed to improve magic up to 25%. The beakers and tubes were shaped for optimal energy conduction too.

In 966 GUE, the Frobozz Magic Company had already sold over 450,000 pieces without one return. In the same year, the current price of these products was: Beaker (zm7), Tube (zm4), Swizzle Stick (zm2).

SOURCE(S): Spellbreaker (Frobozz Magic Magic Equipment Catalog)