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Crystal garden

Metal salt crystals grow into colourful “plants” in water glass.

🧪 Start the experiment — free

Runs in the browser on phones, tablets and computers. No sign-up needed. For teachers: assign any experiment to a class, see results and calculations.

What you do

1. Drop in three different crystals.
2. Wait and watch them grow (speed ×20).

Safety in a real lab

⚠ Water glass is strongly alkaline: gloves and goggles.

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