Magnetic Field Viewing Kit with Steel Filings
Choking Hazard - Contains a Marble
WARNING: CHOKING HAZARD - Toy contains a marble. Not for children under 3 yrs.
Clear viewing of magnetic fields!Steel filings are sealed in a scratch-resistant, transparent viewing tray (3.44" D). Included magnets (3⁄4" disc magnet and 1" bar magnet) are rubber coated to prevent tray scratches.