Mess-free! Steel filings are safely sealed in a scratch-resistant, transparent viewing tray for your investigations. Each kit includes rubber-coated magnets (0.75 disc magnet and 1 bar magnet) and filing-filled tray measuring 3.44D. Sold as a pack of 3 kits. Ages 8+/Grades.
- Clear viewing of the invisible lines of a magnetic field!
- Steel filings are sealed in a scratch-resistant, transparent viewing tray.
- Magnets are rubber coated to prevent scratching on the outside of the tray too.
- Each kit includes 2 magnets (.75 disc magnet and 1 bar magnet) and filing-filled tray.
- Sold as a pack of 3 kits.
NON-RETURNABLE: This item is non-returnable
