ITEM NAME:Electronic Component Starter Kit Wires Breadboard Buzzer Transistor C5J0 Description&Preview.1 X 830 tie-points Breadboard. 1 X Thermistor. 1 X Active Buzzer. 1 X Passive Buzzer. 5 X NPN Transistor (PN2222). 5 X Diode Rectifier (1N4007). 1 X 65 Jumper Wire. 140 X Solderless Jumper Wire.