Diffused 3mm LED Pack - 5 LEDs each in 5 Colors - 25 Pack : ID 4202 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
LED 3mm Red Water Clear Ultra Bright
Amazon.com: 200 Pieces LED Diode Lights, 3mm and 5mm LED Lights Emitting Diodes Assortment Set Kit for White Red Blue Green Yellow : Industrial & Scientific