Fun lessons.
Made for curious kids.

These aren't your typical lessons. Your child chats with Cleo the Cloud, a friendly AI companion who learns what they're curious about and builds a lesson made just for that question. With clear narration and playful explanations, learning has never felt more natural.

Learn with
Cleo the Cloud.

Learning sounds better with Cleo. After a friendly chat about what they're curious about, Cleo teaches your child a lesson made just for them, with topics, examples, and explanations picked to match how they think. It's an engaging routine that turns curiosity into something your child actually wants to explore, guided by a warm voice they'll grow to love.

Lessons with Cleo

Your child's friendly AI 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. You can pick from a range of natural-sounding narrators and multiple 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 with your choice of narrator, 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. Choose from 21 distinct narrators, each with their own tone and personality, and pair them with playful examples and clear explanations to make even tricky subjects easy to follow.

AI Lessons Studio-Quality Narration

Questions? Answers.

Try Sleepytale for free.

Sign up today and let your child meet Cleo the Cloud.