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Browse 4085 free, fact-checked courses across science, history, math and more — each built in minutes with narration and a knowledge check. Pick a topic, or tell Wunder what you want to master and it builds the course for you.

Browse by topic

Subject hubs, or classes by topic and age — “science classes for kids” and every combo we can actually fill.

🔬Science1960 courses🏛️History628 courses🔢Math332 courses🌍Society22 courses🗣️Language80 courses🩺Health10 courses🎨Art7 courses

Browse by age

Every course is written for a specific age — the vocabulary, the depth, and how much it asks of the reader all change. Pick the band that fits.

🧸 Toddlers Ages 1–3 · 40 courses · all toddlers classes

😊How I Feel🍎Yummy Foods☀️Sunny and Rainy🐔On the Farm🚗Things That Go👶My Body🔺Shapes Everywhere🔢Counting 1-2-3🌈Colors All Around🐄Animal Sounds🎵Sounds We Hear💧Splashy Water

🖐️ Preschool Ages 3–5 · 63 courses · all preschool classes

🟰Plus, Minus, and Equals Signs🔢Adding and Subtracting to 20➖What Subtraction Means🧮Showing Addition and Subtraction with Pictures🔟Number Bonds➕What Addition Means🍎Addition and Subtraction Word Problems🥕Where Food Comes From↔️Opposites🪥Healthy Habits🚒Community Helpers🍂The Four Seasons

🎒 Kids Ages 6–12 · 614 courses · all kids classes

🍕How to make pizza dough🍰How to make tiramisu🍞How to make french toast🥔How to make mashed potatoes🌊Why the Ocean Stays Layered🧩Breaking Words into Sounds📋Colons and Semicolons in Lists🚪Reading Exception Words🪟The window was broken🐢The finish line is not the lesson✏️Ten marks from the top📖The book already knows the way

🎧 Teens Ages 13–17 · 174 courses · all teens classes

🧠Effects of Drugs and Alcohol🔬Using a Microscope🦴The Human Skeleton and Reproduction❤️The Heart and Double Circulation🦠Single-Celled Organisms🌱Plant Cells vs Animal Cells🦠Pathogens and the Immune System🥗Nutrients and a Balanced Diet💪Muscle Pairs and Diffusion🦵Joints, Tendons, and Ligaments🌡️How the Body Controls Its Temperature🫁Gas Exchange and Breathing

☕ Adults 18+ · 3192 courses · all adults classes

🌴Dubai: A Desert City That Kept Moving the Shoreline🌊The Seine: A River with Almost No Energy to Spare📘How does hair grow?📘How many galaxies are there?⬆️How to Escalate a Customs Vendor Finding🐟How does a salmon find its home river?🌊The River That Makes the Potomac🌊The Rhine: A Working Road🗺️Denver: Between the Mountains and the Plains🌊The Red River: A River, a Border, a Raft🌊The Alpine Rhine: A River Redirected🌊The Rhine: From Alpine Streams to a Delta

Newest courses

🌴Dubai: A Desert City That Kept Moving the Shoreline🌊The Seine: A River with Almost No Energy to Spare📘How does hair grow?📘How many galaxies are there?⬆️How to Escalate a Customs Vendor Finding🐟How does a salmon find its home river?🌊The River That Makes the Potomac🌊The Rhine: A Working Road🗺️Denver: Between the Mountains and the Plains🌊The Red River: A River, a Border, a Raft🌊The Alpine Rhine: A River Redirected🌊The Rhine: From Alpine Streams to a DeltaharborBaltimore: A Harbor Cut Deep Inland🗺️The Cumberland Plateau🗺️Delhi: A Capital Built Beside the Yamuna🌊Annaba: Hippo, the Bay, and Augustine🪨Balcones Escarpment: The Step That Sited the Towns🗺️Allegheny Plateau: A Table Cut by Rivers🔒Aligarh: Forts, Locks, and a University🔍How to Review a Customs Vendor After a Breach🌊Alexandria: The City Between Sea and Lake⚖️How customs import valuation works🧾How customs trade remedy duties work🔧How to Improve a Customs Vendor After a Breach

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