@Prometius necesitas:
Case/enclosure - eBay/Aliexpress
Conductive button pads - eBay/Aliexpress
Additional buttons for X and Y - eBay/Aliexpress
Shoulder buttons - eBay/Aliexpress
~3000mAh battery - eBay/Aliexpress/Dextech batt
JST battery cable - eBay/Aliexpress (search for "JST PH 2-Pin")
Speaker - "VECO 28mm" is my fav, but anything up to 30mm will fit nicely
WiFi module - eBay/Aliexpress (search for "RTL8188EUS")
USB charging cable - eBay/Aliexpress (search for "7mm micro usb cable", the KEY is that it is 7mm in length, I advise something like this (it should be $3.99 btw) :
https://www.aliexpress.com/item/1m-2-4A ... 60883.html)
Screen surround - retrofresh.uk/Kitsch-bent.com
Pi Zero or Pi Zero W - ThePiHut/Pimoroni/Adafruit/etc
Tools (Soldering iron with pointed tip (Adjustable temp + quality solder), drill, dremel, sharp knife, kapton tape!)
(optional) Screen bracket - viewtopic.php?f=27&t=2553
(optional) 3DS or PSP joystick - eBay/Aliexpress