This is an input device for games such as stepmania but for people who are unable to stand/use their feet. They're not strickly a musical instrument, they only detect hits and not pressure.
In the future I plan to incorporate stand alone simon hardware such as makezine's pcb and put el-wire in to the drum face
Step 1: Drum base
I'm not sure what the proper name is for these parts, I found them in the pvc piping area of the hardware store. The smaller part fits perfectly inside the larger part, allowing me to present the switch near the face of the drum.