Bar Magnet Support Stand, 4.5", for 3/4" Wide Magnets Material_Polyethylene and nucleus out of the

and nucleus out of the cell body for hands-on organelle identification in cell biology teaching

Micro natural gas Bunsen burner with a flame stabilizer and cast iron anti-tip base

Square-topped wooden screw simple-machine model with a leverage block

Thousand-turn main coil on an insulated bobbin with 4mm socket terminals

Adjustable mass on one fork shifts its 440Hz pitch by a few hertz

Bar Magnet Support Stand, 4.5", for 3/4" Wide Magnets Material_Polyethylene and nucleus out of thePlastic holder atop a 4. 5 inch needle pointed stand grips a 3 4 inch wide bar magnet upright for hands free study of attraction, repulsion, and torsional balance.