"The Arduino Prototyping Shield makes it easy for you to design custom circuits.
You can solder parts to the prototyping area to create your project, or use it with a small solderless breadboard (not included) to quickly test circuit ideas without having to solder.
Arduino UNO PinoutLarger area for THT components24-pin SMD areaDimensions (LxW): 101.5 x 53.3 mm"