The Magnetic Field Demonstration is a rectangular plastic housing that holds iron filings. The iron will react to any magnetic field that is introduced, allowing easy visualization of how magnetic fields interact with their surroundings.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.