4700µF Electrolytic Capacitor Demonstrator with 4mm Terminals Item Type_Cell Model Permanent-magnet stack inside an 8

Permanent-magnet stack inside an 8 x 5 inch base recharges weakened bar and horseshoe magnets by realigning their domains - no electrical power

25-inch Magdeburg hemispheres with molded handles

Electromagnet-driven at approximately 80Hz with a captive thumbscrew on one prong for Melde's experiment

Built for home experiments and themed pretend play

Aluminum inclined plane with integrated vertical

4700µF Electrolytic Capacitor Demonstrator with 4mm Terminals Item Type_Cell Model Permanent-magnet stack inside an 84,700 microfarad electrolytic capacitor in an ABS module with 4mm sockets, sized for energy storage demonstrations where stored joules need to discharge through a visible load.