4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood Snap-apart 2-inch ceramic bar magnets

Snap-apart 2-inch ceramic bar magnets in a 10-pack

this student voltaic cell pairs metal electrodes with a porous cup separator and ships with an experiment guide for measuring cell voltage and potentials

clamping to bench edges for pulley experiments that need a fixed overhang off the worktop

5-inch grounded brass disc

sized so a class can watch gas bubbles rise off each electrode in real time during electrolysis demos

4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood Snap-apart 2-inch ceramic bar magnetsExposes every moving part of a two pole armature rotating between permanent magnets on an open 4 inch plastic base, running on 3 6V DC to illustrate both motor and generator operation.