- make a decent diagram of the connections between compass and RPI using http://fritzing.org/download/
- ensure that the python libraries for making the compass work with the RPI are solid and reliable
- make a build script so that all of the parts of the library can get built and put together automatically
- straps for speakers
- mark up and cut holes for the speakers
- brackets RPI boxes
- Fixings for the Pi, Battery, Powersupply