4 programming languages > Python (compatible with 2&3), C, Java and Scratch.; 558-page detailed tutorial (including basic electronics knowledge) > The download link can be found on the product box. (No paper tutorial. ); 223 items for 104 interesting projects > Each project has circuit diagrams and verified code with detailed explanations.; Compatible models > Raspberry Pi 400 / 4B / 3B+ / 3B / 3A+ / 2B / 1B+ / 1A+ / Zero W / Zero. (NOT included in this kit. ); Get support > Our technical support team is always ready to answer your questions.