The ProtoShield is prototype expansion board with 2 LEDs and 2 button, which can be used directly and more convenience. All the pins and power have been lead out. It is very suitable for building prototype circuit with Arduino.
ProtoShield for Arduino Duemilanove
To build prototype circuit
Directly soldering components on board
Connecting through the mini breadboard
2 x Arduino compatible 328 protoshield prototype expansion board