The Max7219 Digit PCB System comes with
The digits are plugged into the PCB sockets. Combinations of 3-digit & 2-digit are grouped together to make up the combinations from 3-6 digits:
Once assembled, you can easily and securely connect it to the Max7219 Breakout Board. See (https://shop.mobiflight.com/product/max7219-breakout-system).
You can adjust the color using the tinted film from here: https://shop.mobiflight.com/product/tinted-film
The kit-option requires assembly. You will need to solder the connectors to the PCB and then mount the digit modules.
The digits are selected by hand to make sure that the brightness match best possible. Slight, minor differences might be possible when digits coming from different batches.