This document provides an overview of STEM activities for students including coding, circuitry, 3D design, and games. It introduces several free online tools and projects for engaging students in science, technology, engineering, and math topics. Suggested activities include using Tinkercad for 3D modeling and circuits, Code Club for learning Python, MakeCode Arcade for building video games, and cheap circuitry projects using everyday materials. The document emphasizes sharing experiences and reflections on how the activities incorporate different STEM areas.