NPN Transistor Unit Item Type_Mug Yellow 150mm 4mm-stackable lead with

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

Life-size kidney model separates into two hemispheres exposing cortex

and brush needed to outfit a chemistry or biology bench from scratch

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

Metal spouting cylinder with multiple outlet holes at different heights

NPN Transistor Unit Item Type_Mug Yellow 150mm 4mm-stackable lead withNPN 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.