Magnetic Field Viewing

Stays clear! Steel filings are sealed in a scratch-resistant, transparent viewing tray. Includes rubber coated magnets (.75″ disc magnet and 1″ bar magnet) and filing-filled tray measuring 3.44″ D. Ages 8+/Grades 3+

Key Features :

Clear viewing of the invisible lines of a magnetic field!Steel filings are sealed in a scratch-resistant, transparent viewing tray.Includes 2 magnets (.75″ disc magnet and 1″ bar magnet) and filing-filled tray.Magnets are rubber coated to prevent scratching on the outside of the tray too.