Quantity   Component name
1 × Raspberry Pi 2 model B The brains of the unit
1 × Adafruit Powerboost 500c Li-ion batteries made easy
1 × Teensy LC Analog input, here we come!
1 × Wii Nunchuk To save costs and salvage an analog stick
1 × 3.5" composite car backup LCD Cheaper and better than a PiTFT
1 × 8GB microSD card Plenty of space
1 × Li-ion battery, 4400 mAh Plenty of runtime
7 × 3D printed parts (PLA) Printed on a friend's Makerbot. Thanks!
18 × Tact switches Clicky keys galore!
1 × Slide switch Take a wild guess. (Power switch!)
24 × M2.5x5mm screws Or, rather, the closest screw they had at the hardware store.