There are three elements to solder to the Raspberry Pi: a touchscreen display, a NeoPixel, and a magnetic reed switch. 

https://pinout.xyz/ is a great pinout diagram of the Raspberry Pi 4. If you're using a different model, be sure to check the correct pinout and adjust accordingly.

Touchscreen connections

• Pin 2 to Touchscreen 5V+
• Pin 6 to Touchscreen G

NeoPixel connections

• Pin 4 to NeoPixel +
• Pin 12 (GPIO 18) to NeoPixel IN
• Pin 14 to NeoPixel G

Magnetic Switch Connections

• Pin 9 to one switch wire
• Pin 11 (GPIO 17) to the other switch wire

USB Microphone

Plug the USB microphone into one of the USB ports to connect it.