Sealed Iron Filings
Description
Iron filings in a sealed plastic case. See how iron filings react with magnets and show magnetic fields without the mess. Approx 9.4 x 6.8 cm x 1 cm (3.7" x 2.7" x 1")
Description
Iron filings in a sealed plastic case. See how iron filings react with magnets and show magnetic fields without the mess. Approx 9.4 x 6.8 cm x 1 cm (3.7" x 2.7" x 1")