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That one website that lets you play with falling sand

Why it's the pick

Sandspiel is a calm falling-sand toy where you pour sand, water, fire, lava, plants, acid and more and watch them react. It runs on phone or computer, is free, and the source is on GitHub.

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2 good alternatives

Sandboxels neal.fun Falling-sand simulator with 500+ materials, heat and reactions FreeNo signup Link checked Oct 1 The Powder Toy powdertoy.co.uk Deep open-source physics sandbox with electronics and explosions FreeSignup optionalApp download Link checked Oct 1

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