The manufacturer's website states the following: "Additionally required: Raspberry Pi 3, 3 B+ or 4 B, microSD memory card with at least 8 GB, USB power supply with at least 2,000 mA, monitor with HDMI input, USB keyboard and mouse, internet access." At the same time, however, it says here as well as at conrad.ch that the calendar would contain all the components for the 24 experiments...