All showcases
Playable 3D lesson
Biology that feels alive: your child changes one part of the body's defense and watches everything else respond, right away.
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All showcasesPlayable 3D lesson
Immune Response Arena turns cell defense into a living system learners can steer.
Guide patrol cells, antibody tagging, and cleanup strength in a moving tissue model that makes immune coordination visible.
Available nowShowcase status
Science-curious kids, families, homeschoolers, and teachers who want a beautiful, hands-on biology lesson.
Coming soon: named immune cells, guided checkpoints, real infection scenarios, and progress that ties right into your child's biology learning.
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.
Runs fully in-page with no sign-in.
Learners can switch between scan, tag, and clear phases and change response strength live.
The scene is rendered from an animated model in the browser, so it can become a deeper Wonderworks or Lumora lesson path.