Mblock — 3.4.12

While the mBlock ecosystem has evolved into mBlock 5 (based on Scratch 3.0) and the AI-focused "HaloCode" era, version remains a gold standard for educators, hobbyists, and young programmers. Why? Because it represents the final mature release of the "Scratch 2.0" offline architecture, offering a robust, no-internet-required solution for physical computing.

Connect the LED (long leg to Pin 13, short leg to GND via the resistor). mblock 3.4.12

Go to the Robots block category. Select "Setup" and "Forever" (these are the setup() and loop() functions in C++). While the mBlock ecosystem has evolved into mBlock