There are two LED types included with the KidWind simpleGEN (KW-SGEN), a 10 mm red diffused LED and a 5 mm bi-color LED that appears white when not in use. Vernier does not sell replacements for the LEDs, and they are not covered under our standard 5-year warranty, as they are considered to be consumable items.

Since LED bulbs are generally very inexpensive, it is easy to purchase replacements. Here are some recommended sources:

For the bi-color LED:
For the red LED:

We include these LEDs in the following kit:
KidWind Power Output Pack (KW-POP)

See also:
Are the LEDs in the KidWind Power Output kit resistor protected?
Can I purchase individual parts from one of the KidWind kits?