This is the customizable set, where you can freely choose between the following options:
Pi-Shield + Ringlight module - solder yourself or pre-soldered
Raspberry Pi 4B 2GB including 16GB Micro SD Card with pre-installed image
Pi Camera v2.1 (8mpx) or Arducam IMX519 (16mpx)
Polarizer Module
3d printed parts
+ Motor + Power supply + small parts (screws, nuts, bolts) are included in every set.
You can use the provided electronics + software to build the OpenScan Classic without needing any additional parts (except for the 3d printed parts)