1 X New 10pcs PP3 MN1604 9V 9volt Battery Holder Clip Snap On Connector Cable Lead

Vipe DC 3.6V-6V 400KV Boost Step-up Power Module Voltage Generator Black

Velleman BH142B Battery Holder for 4 x D-Cell with Snap Terminals

microtivity IL188 5mm Assorted Clear LED w/ Resistors (8 Colors, Pack of 80)

100 Pcs 6x6x4.5mm Panel PCB Momentary Tactile Tact Push Button Switch 4 Pin DIP

DTOL 10 X Mini Laser Dot Diode Module Head WL Red 650nm 6mm 5V 5mW Pack of 10

Pair 9V Battery Holder Storage Case ON/OFF Switch w Cap 2 Pcs

100 x 2N2222 NPN TO-92 Plastic-Encapsulate Power Transistors 75V 600mA

Yosoo High Voltage Transformer DC 3v-6v to 400kV Boost Step-up Power Module High-voltage Generator 400000V

Elenco TL-6 Alligator Lead Set, 10-Piece, 14 inches