Ask anything
Learn everything

Teaching is one of Cleo's favorite jobs. Your child asks their AI friend anything they're curious about, and Cleo builds a lesson around it, tuned to their age and interests. Learning they choose sticks better than content they passively absorb, and that's how screen time becomes a head start.

Learn with
Cleo the Cloud

Learning sounds better with a friend. After a chat about what they're curious about, Cleo teaches a lesson made just for your child, with examples picked to match how they think. Kids practice listening, vocabulary, and critical thinking through conversations that feel like play, not homework, guided by a warm voice they'll grow to love.

Lessons with Cleo

Your child's friendly teacher

Cleo the cloud teaches lessons

Lessons for kids

Why the Moon Changes Shape

Why the Moon Changes Shape

How to Mix Colors

How to Mix Colors

Limitless
topics

Every lesson is shaped by what your child is curious about, from the subject and difficulty to the examples and language used to explain it. Cleo explains it in her own warm voice, in any of nine languages, so learning always feels personal no matter where you are or what language you speak.

Discover
even more
lessons you love

Our catalog is full of lessons across every subject and age, from science and nature to history, math, and the world around us. Every lesson is available in multiple languages, narrated in Cleo's warm voice, and we add new lessons every week.

Browse AI Lessons for Kids on any device

Bring your lesson
to life

Every lesson is narrated with studio-quality vocals that feel warm, natural, and genuinely engaging. Cleo tells every one in her own friendly voice, with playful examples and clear explanations that make even tricky subjects easy to follow.

AI Lessons Studio-Quality Narration

Questions? Answers

Try Sleepytale for free

Get the app today and let your child meet Cleo the Cloud, their new favorite friend.