Push Button Switch Demonstrator with 4mm Terminals Material_Porcelain Pea seed germination model traces

Pea seed germination model traces cotyledon splitting

and chewing mechanisms in health coursework

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

this universal charger keeps portable instruments running between sessions without rotating in fresh disposable batteries

Bare 20 SWG copper wire on a 250g reel approximating 140 feet

Push Button Switch Demonstrator with 4mm Terminals Material_Porcelain Pea seed germination model tracesMomentary contact push button switch on a base with two 4mm terminals, snapping closed only while the button is held to introduce momentary versus latched switching behavior.