Alternative for arduino for simple requirements
There are other options that you can try opting to in Arduino like their Nano, micro or Fio boards. They are quite more comfortable as their footprints are even provided in the link, you can actually design what kind of components you want in the board. Maybe you can try them, they are not as small as the lilypad but they can provide a better function as the fio board comes along with the wifi compatibility in the circuit.
https://www.arduino.cc/en/Main/ArduinoBoardFio