A beloved classic, magnetic field visualization with iron filings brings the theory of magnetism vividly to life. Students watch in awe as the fine filings gracefully assemble into patterns over magnets, revealing invisible field lines with striking clarity. To ensure consistent quality and durability, educators frequently rely on top lab equipment suppliers in India for reliable materials. With its simple setup and powerful visual impact, this timeless demonstration leaves a lasting impression—one that students remember long after the lesson ends.