NPN Transistor Unit Item Type_Mug this two-coil demonstration transformer lets

this two-coil demonstration transformer lets students swap primary and secondary windings to watch step-up and step-down voltage shifts firsthand

Yellow 150mm 4mm-stackable lead with nickel-plated split-hollow pins

Life-size kidney model separates into two hemispheres exposing cortex

Racked display of fourteen precision-machined stainless steel slotted masses totaling 1110 grams from 1 to 100 gram pieces

Spout for easy pouring

NPN Transistor Unit Item Type_Mug this two-coil demonstration transformer letsNPN transistor in a protective enclosure with labeled base, collector, and emitter terminals, supplying a robust hands on component for amplifier, switching, and logic circuit demonstrations.