Quantity   Component name
1 × Raspberry Pi Zero W recommended, other Pi's are fine as well
1 × UDN2981 Driving LEDs with extra oomph
1 × 74HC138 Electronic Components / Misc. Electronic Components
1 × 74HC238 Logic ICs / Decoders, Encoders, Multiplexers, Demultiplexers
58 × 4148 diodes One per switch, plus some more for spacewar controllers
49 × small toggle switches
8 × large momentary switches
114 × Special Flat top LEDs Special as in, we convinced a manufacturer to make diffused milky white ones