LED - Basic Yellow 5mm - COM-09594 - SparkFun Electronics

LED - Super Bright Yellow - COM-00530 - SparkFun Electronics

SparkFun Inventor's Kit for micro:bit Experiment Guide - SparkFun Learn

Yellow LED 5mm Round Wide Angle Diffused LED Light Emitting Diode Bright PCB

LED - Basic Yellow 3mm - COM-00532 - SparkFun Electronics

LED - Assorted 10 Red / 10 Yellow (20 pack) - COM-10049 - SparkFun Electronics

LED - Super Bright Yellow (100 pack) - COM-09982 - SparkFun Electronics

Paper Circuits - Craft Functioning circuits directly on paper! - SparkFun Electronics

5mm Flicker Yellow LED

5mm FLICKER LED Yellow Clear Round Top TEN Pack With Resistors for 12v

Paper Circuit Pin - SparkFun Learn

SparkFun Paper Circuit Kits - SparkFun Learn

LED - Ultraviolet - COM-08662 - SparkFun Electronics

Danger Shield Kit Retail - RTL-10428 - SparkFun Electronics