"In each desk you will find an assortment of clear quartz crystals, wire, and plain wand blanks. Please take out four crystal shards and one wand stick now." The Professor instructed.
Other than the tools, that was all that was in the desks this morning, so the lesson was intended to take a while, and hopefully, he would get further into depth about the process. The more that they understood about why the process worked, the better they could adapt it to other spells without the dangers of trial and error.
There were also multiple spares, so it wasn't expected that the beginner class would get it right the first time. But when you were doing the work by hand, there were bound to be slight flaws in the production process that creating it magically didn't introduce.
