Free · Water seeds and watch them grow

Tiny Seed Garden Simulator for Kids

Add water near five tiny seeds and watch a green cellular garden grow above the soil.

  • Clear, kid-friendly steps
  • Private in your browser
  • No signup

Creative cell experiments

Tiny seed garden

Add water near the seeds and watch a small cellular garden grow above the soil.

Active cells 0 Steps 0 Brush Water Opening experiment
The seeds are in the soil. Paint a little water nearby, then start motion.Draw on the experiment. Arrow keys move the keyboard cursor; Enter paints.

Runs only in this tab with Sandspiel’s local WebAssembly core. No login, gallery, chat, ads, uploads, or saved creations.

Powered by Sandspiel, an open-source library available under MIT.

Three simple steps

How to use it

  1. Choose a material and draw on the large experiment area.
  2. Pick a motion speed, then start, pause, or undo while the cells change.
  3. Reset to restore the starter scene. Nothing is uploaded or saved.

Private by default

Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.