Quantity   Component name
1 × Coffee table with glass top
1 × Teensy 3.1 Nice and powerful controller board which should handle everything
400 × WS2812 LED Individually adressable RGB LED for 20x20 matrix
4 × 74LS595D
2 × MCP23017 Microprocessors, Microcontrollers, DSPs / IO Controllers
1 × 74HCT245D Electronic Components / Misc. Electronic Components
1 × 200W, 5V x 40A Power Supply