Green SKU: 1821-90
RED SKU: 1821-91
Yellow SKU: 1821-92
30-Pack Asst SKU: 1824-90

These LED indicator bulbs will light up your STEM projects. Available in three different colors or as an assorted 30-pack, these LEDs are ready for your next maker project. 

Requires 3 Volts of power (2 AA batteries) to light up. Use with our AA Double Battery Holder with Switch & Leads or slide switches.