Zipper Leatherette Case, Protect instruments, features a black leatherette exterior and a soft red felt-lined interior, comes with brass corner supports, 10 loops, and a pouch for holding pins. It folds to 7 -1/4in x 5in.
KidWind High Torque Generator with Wires, High Torque Generator produces lower voltage but higher current for a given rotor speed, Recommended for College and High School
MIcrostirrer, easily attaches to end of a pH Sensor, Conductivity Probe, Dissolved Oxygen Probe or Ion-Selective Electrode. Magnetic field turns paddle wheel of Microstirrer, resulting in enhanced stirring near electrode tip, works with any magnetic stirrer