All showcases
Playable demo
Biology sticks when systems are explored separately, then seen as one connected body.
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All showcasesPlayable demo
Body Atlas lets learners inspect body systems one calm layer at a time.
Toggle the skeletal, muscular, circulatory, and nervous systems on a code-drawn figure and read a plain-language fact for each.
Available nowShowcase status
Young scientists, health-curious learners, and families exploring anatomy gently.
Coming soon: respiratory + digestive layers, zoomable organs, and a quiz that reads into the mastery graph.
AI by design
AI is part of how Koydo teaches here, adapts to your child, and shows you their progress.
Koydo AI helps explain, rephrase, ask better follow-ups, and keep learners moving without replacing effort or teacher judgment.
Every bit of practice, every mistake, and every creative moment helps Koydo tune the next lesson to your child — and keeps your parent or teacher summary clear and honest.
Our promise stays simple: age-aware help, strong safety, progress you can see, and room for a real person to step in when it matters most.
Try it for real
What you can play and explore right now.
Every layer is drawn from code as clean SVG — no images, no text baked into the art.
One system shows at a time so the view stays calm and readable.
Runs fully in-page with no sign-in.