For kids

Search this list Age Topic

All levels Beginner robot Intermediate alien Advanced astronaut

No stars here yet. Try another word or level.

Open Cosmos · Nothing here is ours. Every stop links to its original source and license.

Lessons from CS Unplugged (University of Canterbury CSER Group), licensed CC BY-SA 4.0. Titles and descriptions translated and level-tagged by Open Cosmos with AI; changes were made. Other lists: CC0. CC BY-SA 4.0

sindresorhus/awesome (CC0) · codecrafters-io/build-your-own-x (CC0) · uccser/cs-unplugged (CC BY-SA 4.0)

Translations are AI-generated; always check the original.

Your progress is saved only in this browser. Nothing is sent to us.

Lessons Coding problems What should I learn? Lesson catalogue Accessibility Learn Build For kids

Why are some stops hidden?

We only show links we think are safe for kids. Others might go to forums, need an account, or cover grown-up topics. A grown-up can show them for this visit only. Nothing is saved.

Accessibility settings

Change how Open Cosmos looks and moves. Your choices are saved only in this browser.

Colours Match my device Galaxy (dark) Light High contrast Colour-blind friendly

Text size 100% 125% 150%

Line spacing Normal Roomy

Font Standard Easy to read

The easy-to-read font (Atkinson Hyperlegible) covers Latin letters. Other writing systems keep your device font.

Reduce motion

Stops the moving stars and slide effects.