Hi! I’m Atomilo.
Let’s build, launch and explore!
Pick a world. You can’t break anything — so try everything!

Your worlds
Today’s fun fact
A fluffy white cloud can weigh as much as 100 elephants. It stays up because its water is spread out in tiny drops.
Curious Corner
All storiesShort stories about big questions. Read one, then try it in a game!
Why is the sky blue?Sunlight hides every color. The air plays a clever trick with the blue.Read ▸ 2 minHow does a battery push electricity?A battery is a tiny pump. It pushes electricity around a loop.Read ▸ 2 minHow do magnets pull?Magnets have an invisible reach. Let us find out how it works.Read ▸ 2 minWhere does rain come from?Every raindrop has been on a long trip. Follow one drop all the way home.Read ▸ 2 min
Badges you can earn
You have 0 of 42 stickers and 0 stars.
- First starWin your first star in a world
- ExplorerKeep playing and collect stars
- ScientistCollect lots of stars in one world
- Open my sticker album
For grown-ups
Open the grown-ups pageWant to know how this works?
Read about the kids zone safety, screen time that teaches, and how to learn together. A quick grown-up check comes first.
- Kids Zone Safety Guide for Parents: What to Know
- Screen Time That Teaches: A Parent Guide for Ages 6–10
- Circuits for Kids: A Parent’s Guide to Learning Electricity
- Code Garden: A Parent’s Guide to Block Coding and Python