Dowling Magnets Iron Filings, 12 Oz, Gray, Grade 3 to 12, Set Of 3 Jars

Sprinkle a small amount of iron filings onto paper and move a magnet underneath to illustrate the pole patterns of the magnetic force field. Use the iron filings to view a magnet's invisible lines of force! Common-sense caution: do not inhale, ingest, or get iron filings in eyes. Ages 6/Grades K+. 3 jars let multiple children learn and play at the same time.