Wonder Lab

Grades 3–10 · Cambridge & CBSE

AI on the web

When hosted on Vercel, explanations use the server's ANTHROPIC_API_KEY — no key needed here. Interactive labs and SVG sketches always work without any API.

Only needed for local file:// use, or to override the server key. Get one at console.anthropic.com.

Image settings

Default SVG sketches need no key. Rich illustrations use the server's fal.ai or OpenAI keys when configured on Vercel.

Dual curriculum Cambridge & CBSE · Grades 3–10

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Search any concept, or use the grade menu below. Your explanation appears right here — no scrolling past hundreds of tiles.

Illustrations
Your lab space Type a concept above, pick a topic from the grade menu, or open a lab below — results show here instantly.

Explore

260+ curriculum topics · 9 interactive labs

Pick a board in the search bar above, then browse by grade or subject. Compact list — click any row to explain.

Grade 3 · Cambridge Primary

Hands-on sandboxes — open instantly, no AI wait.

Popular concepts — one click to explain.