NPN Transistor Unit Item Type_Mug Racked display of fourteen precision-machined

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

a sliding front door

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

Life-size kidney model separates into two hemispheres exposing cortex

Iron anode-and-cathode pair fitted into a rubber bung for the student electrolyzer

NPN Transistor Unit Item Type_Mug Racked display of fourteen precision-machinedNPN 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.