PH1582 Bar Magnets (made of Steel, in pairs) PH1583 Cylinderical Magnets (made of Steel) PH1584 Horse Shoe Magnets (made of Steel) PH1585 Bar Magnets, Alnico (made of Cobalt Steel) PH1586 Cylindrical Magnets, Alnico (made of Cobalt Steel) PH1587 U shape Magnets, Alnico (made of Cobalt Steel) PH1588 Load Stone PH1589 Ring Magnet, Ceramic PH1590 Iron Filings PH1591 Material Set for Magnetism and Electricity PH1592 Magnetic Needle, Jewel Bearing PH1593 Plotting Compass, both sides Glass PH1594 Compass PH1595 Deflection Magnetometer PH1596 Magnetizing and Demagnetizing Solenoid PH1597 Magnetic Balance, Hibbert's