Textual Raspi Access Interface for Lightweight DEVelopment and it's designed to fix other people's projects on the trail. it'll be loaded with the code from everyone's project, so people can fix bugs if they come up. it'll have its own image on it, so one TRAILDEV can reflash another if one gets bricked. it has a case which can store it securely, as well as spare batteries and other tools. It's a Raspberry Pi Zero with a 320x240 color screen, a keyboard, and some battery circuitry, and we might be able to play some games too on it too!