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

5-inch grounded brass disc

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

this lamp holder provides connection terminals for fast wiring into series and parallel student-built circuits

these aluminum 4-inch overflow cans come in pairs for paired-station Archimedes-principle and density investigations

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.