Dweenabox: Portable microcontroller workstation

This is a portable, self-contained workstation for working with an Arduino or other microcontroller.
I designed it for our local library system which wishes to install the Arduino IDE on some of their publich workstations, and offer Arduino boards and associated accessories at the front desk for in-library checkout.
This box has a sliding lid that stores the controller and a breadboard inside the box to protect them when the lid is closed (inverted.)
The lid includes a lip which closes th