Her artistic mind was intrigued to see how the 'stranger-from-another-place' made his craft, despite already knowing a little about the process from history books. Back when ponies settled in one place to grow crops, rather than continue being nomadic grazers, using stone spears to protect themselves thousands of years ago. Unicorns had much more primal magic to combat with, it was all brute force, and lacked any of the elegance of today's spells.