12-Pack Class B Graduated Cylinders with Round Base, 10mL, Blue Graduations, Borosilicate Glass Subcategory_Glassware Sets 8-inch length with dual button

8-inch length with dual button ends

Series and parallel reconfigurable variable battery power supply holding up to four D-cells

Iron anode-and-cathode pair fitted into a rubber bung for the student electrolyzer

Two-hundred-fifty-ohm 5W fixed resistor in an ABS module with 4mm sockets

the pivoted magnet arm engaging or disengaging the induced drag on command

12-Pack Class B Graduated Cylinders with Round Base, 10mL, Blue Graduations, Borosilicate Glass Subcategory_Glassware Sets 8-inch length with dual buttonPack of 12 Class B graduated cylinders each hold 10mL in borosilicate glass with round base for classroom volumetric measurement procedures.