what else do i need

[RLShiftyDoggit]

hey guys im new to this so i need to figure out what else i need here are the parts i've bought so far

1.pi zero

2.adiafruit powerboost 1000 charger-rechargeable 5V lipo USB boost @ 1A 1000C

3.Teensy LC

4.adafruit NTCS/PAL TFT 3.5" Diagonal display (really surprised i got my hands on that)

5.momentary tactile buttons

6.adafriut USB micro-B breakout board

7.Gameboy zero controller PCB v1.3 (BLUE) by helder

thats all my current parts for internals what else do i need to get?

[Chedda]

potentiometer, speaker, headphone jack, Micro USB board