200Pcs 3mm & 5mm Led Light Emitting Diodes Assortment Kit, Mini/Tiny/Small Individual Led Single Light, Clear/White Red Green Blue Yellow Assorted Led Diode Bulbs Set for Arduino, Breadboard, etc: Amazon.com: Industrial &
Light LED by Arduino
EEEEE (10 Types) 180 pcs Long Lead 5mm LED kit and LED diode Lights Emitting Diode
How to make an led light up and blink using Arduino - SriTu Hobby