Amazon.com: REES52 Lilypad Arduino - Lilypad Development Main Board Arduino USB ATmega32u4 (Replaces/Upgrade for The ATmega328P) Arduino Designed for e-Textile and Wearable Projects! : Toys & Games
LilyPad Arduino USB board
LilyPad ProtoSnap Plus - DEV-14346 - SparkFun Electronics
LilyPad ProtoSnap Plus Hookup Guide - learn.sparkfun.com
LilyPad USB Plus Hookup Guide - learn.sparkfun.com