Sprinkle a small amount of iron filings onto paper and move a magnet underneath to illustrate the pole patterns of the magnetic force field. One 12 oz. jar.
Sprinkle a small amount of iron filings onto paper and move a magnet underneath to illustrate the pole patterns of the magnetic force field. One 12 oz. jar.
Discover the invisible lines of force in any magnet
Sprinkle a small amount of iron filings onto paper and move a magnet underneath to illustrate the pole patterns of the magnetic force field. One 12 oz. jar.