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. Sold as a pack of 3 jars.
Ages 8+/Grades 3+
Key Features :
i : Discover the invisible lines of force for any magnet
ii : A must have for any science classroom
iii : 12 oz. per jar
