Low Voltage Power Solutions: Battery Holder - 3 AAA Battery Case - Triple AAA Battery Holder for Arduino, Lilypad Circuits, Cosplay, Costumes and Decorations - Set of 2 - Walmart.com
Arduino Lilypad Controlled NeoPixel Earrings
LilyPad Basics: Powering Your Project - learn.sparkfun.com
LilyPad Basics: Powering Your Project - learn.sparkfun.com