Transistor LED Blink Circuit Kit, Learn how to solder. Electronic DIY Circuit Kit. 

Two 10mm LEDs (Green, Red)

Adjustable Potentiometer 

Voltage: 3V (2x AA) Batteries are not included. 

High-quality two layers FR-4 PCB

PCB size: 40mm x 30mm 

PCB Thickness: 1.6mm

PCB color: Purple

Comes with printed instructions. 

Great project for beginners, school or home project. 

Picture is the actual item you will get. 

This kit is not assembled. You will need soldering tools to assemble this kit. 

Free shipping (USPS First Class with tracking number)