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Play a real activity from every one of our 16 subjects — right now, free, no sign-up. Everything here is live in the app, ready to try.
Read-aloud illustrated stories build fluency and a love of reading; sight-word and vocabulary games make decoding automatic.
Draft and shape real pieces with friendly prompts and clear feedback — writing as a craft, not a worksheet.
Every idea is shown several concrete ways — models, number lines, and games — then adaptive practice locks it in.
Run real experiments and watch them react in real time — science you do, not just read about.
Drag the temperature and watch the particles speed up, melt, and boil in real time — cross the melting and boiling points to change state.
Build molecules and run reactions in a safe virtual lab — see structure and change directly.
Explore living systems layer by layer — peel back structures and see how the body fits together.
Skeletal. 206 bones give the body its frame, protect organs, and anchor every muscle that moves you.
Tap through the body one calm layer at a time — clear, readable, and built for focus.
Logic puzzles and pattern games teach the thinking behind code — sequencing, conditionals, and abstraction — before syntax.
Design, wire, and stress-test real builds — circuits, structures, and machines that either work or don't.
Investigate sources and cases like a historian — weigh evidence and reconstruct what happened and why.
Maps, places, and navigation through play — read terrain, find your way, and learn the world's flags and regions.
Reason through real dilemmas and trade-offs — practice ethical judgement and how societies make decisions.
Speak and get instant pronunciation feedback, and learn words in context — on-device, private, and patient.
Try saying“The early bird catches the worm”
Say the phrase out loud and get instant feedback — clarity is how many words came through, rhythm is your pace, and meaning is your longest in-order run.
Hear it, tap it, build it — rhythm, pitch, and pattern learned by doing, not by lecture.
Create with color, form, and line — open-ended making plus guided tracing for fine-motor skill.
Run a small economy and feel cause and effect — earning, pricing, budgeting, and trade.
Explore the real night sky — constellations, planets, and orbits you can pan, zoom, and tap to learn.
Drag to explore · scroll to zoom · tap a star · arrow keys pan
Every activity above is the real thing, running live. Beneath them sit dozens of topics and hundreds of lessons per subject — and the Wonderworks build track and immersive Koydo Worlds keep widening what each subject can do.