Power Supply Kit
These are some common tools used to work on this device. You might not need every tool for every procedure.
Background and Identification
The Apple AirPort Express Base Station is a small device about the size of a MacBook AC adapter that can be used to set up a 802.11 wireless network. The device also utilizes iTunes AirPlay feature, which allows you to wirelessly stream music from your iTunes library to the AirPort Express Base Station.
iFixit Blog: How to fix your AirPort Express Base Station