Quantity   Component name
1 × Rasberry Pi Zero
1 × 5" HDMI display 800x480, no touch, from Adafruit: https://www.adafruit.com/product/2232
1 × Thermal printer https://www.adafruit.com/product/597
1 × USB Keyboard Any will do, but the Leopold FC660M with Brown Cherry MX does nicely.