Interactive Experiments
Run live simulations, tweak variables, and see instant results on the board.
Hands‑on workshops that feel like a friendly classroom, wherever you are.
Trusted by over 10,000 educators worldwide
Run live simulations, tweak variables, and see instant results on the board.
Work together in real time, share sketches, and solve problems as a team.
Start with ready‑made chalk‑drawn layouts and customize them in seconds.
Choose from dozens of subjects—math, science, art, coding—and set your goals.
Enter a shared chalkboard space where everyone can draw, write, and interact.
Sketch solutions, get instant feedback, and export your work as images or PDFs.
“The chalkboard feel makes learning feel personal and fun—my students stay engaged the whole session.”
“I finally understand complex concepts because I can draw them out step by step with my peers.”
No downloads required. Nimbus runs entirely in your browser—just open the site and start drawing.
Yes! The interface is touch‑friendly and works on iPad, Android tablets, and touch‑enabled laptops.
All boards are stored encrypted on our servers. You can delete any board at any time, and we never sell your data.
Join thousands of educators who teach with chalk‑style joy.