Compatible Arduino ProtoShield UNO R3 Prototyping Expansion Board Baseboard With Mini Breadboard.
The ProtoShield Prototyping Expansion Board for use with Arduino Duemilanove is used to build circuit prototypes, either by soldering components directly to the board or by connecting circuits via the mini breadboard on top. The breadboard is connected to the board by double-sided tape and the breadboard is separate from the board.
The board comes with two LEDs and two pushbutton circuits that can be used directly, all pins and power supplies are pinned out