See magnetic fields in action! Iron filings stay neatly housed inside the sealed plastic case and are easily manipulated with the magnet.
Children may also want to use these items to conduct their own experiments. Ages 4+.
Set includes:Please note: The magnet comes with a "magnet keeper" (also known as an armature). It is placed across the poles of a magnet to help preserve the strength of the magnet by completing the magnetic circuit. The magnet keeper will also keep the magnet from attaching itself to external metal when not in use.
