CS First is an online platform developed by Google that exposes students to computer science. It is a web-based program designed for grades 4-8 (age 9-14) students and teach them about computer science and coding in a hands-on, learning-by-doing way.

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Google CS First has 50+ programming explorations and lessons across 7 domains (such as arts, gaming, sports, storytelling, and social media). Coding is done largely through MIT's Scratch platform, a block-based programming tool.