Make the invisible visible

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What is Hour of Code?

Make the Invisible Visible encourages the next generation of creators to explore, craft, and showcase how coding can bring their favorite things to life. Computer science and AI are wondrous forces that drive the epic apps, designs, and gadgets we use every day. This movement helps to highlight how coding is behind everything from your favorite shoes to the music you listen to. By jumping into fun activities and starting your own projects, you can learn how to use computer science to bring your passions to life and share them with others.

Lead an Hour of Code Activity

Grades: 2-12

Dance Party

It's time to strut your stuff! Create your own dance party featuring hits by Miley Cyrus, BTS, Lil Nas X, Harry Styles, Nicki Minaj, Rosalía, and more!

Grades: 3-12

AI for Oceans

Help A.I. clean the oceans by training it to detect trash! Learn about training data and bias, and how AI can address world problems.

Grades: 2-12

Minecraft

Build and explore with Minecraft! Learn basic computer science skills with lots of different Minecraft activities to choose from.


Explore all Hour of Code activities from Code.org

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Go beyond an Hour of Code

Curriculum Catalog

Comprehensive curriculum offerings for every grade and experience level featuring robust structured and self-paced learning options.

Teach with Code.org

Find everything you need to start teaching computer science with Code.org, from lesson plans to classroom support.

Professional Learning

Discover accessible, comprehensive, and flexible professional learning that equips you with the skills to empower your students.