The Super MAGFest 2018 Swadge is a synthesizer! When your swadge arrives, remove the batteries from the back and take off the tape from both, then reinsert the batteries. To switch between modes, hold the bottom center button while pressing another button. The swadge features a full musical scale and 13 different modes. Poke around to find out more!
If you would like to hack your Swadge, check out the source code here!