Fairy LED Bracelet

A quick tutorial to show you how to add LEDs to gift or holiday bags or boxes.

Craft an illuminated butterfly pop up card with copper tape, two LEDs, and a battery.

Use the pre-programmed LilyMini ProtoSnap to make an interactive pennant that reacts to ambient light levels.

Embedded with heating pads and four Neopixel rings, these earmuffs do more than your average winter accessory to keep you warm while still looking good.