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Sand Lab
Falling Sand Physics Sandbox

Drag across the screen and sand pours out. It piles up, collapses, soaks, burns, and melts into glass. 23 elements react like the real thing in a pixel physics sandbox with no set goal, no score, and no way to fail. Just pour it out and watch what happens.

🏖️ Key features

Powders pile, liquids flow, and gases rise. Denser materials sink, so oil floats on water while slime settles to the bottom.

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23 elements

Stone, sand, water, oil, fire, wood, lava, steam, smoke, acid, ice, gunpowder, salt, plant, metal, electricity, glass, snow, concrete, coal, ash, slime, seed.

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Reactions worth watching

Sand melts into glass, lava meets water and becomes stone and steam, gunpowder chain-explodes, and seeds sprout beside moisture.

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Reaction guide

Every rule in one place — what each element becomes when it meets another, right inside the app.

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Controls that feel right

Pen, spray, fill, eyedropper, and move tools, multi-finger pouring, brush size, symmetry mode, undo and pause.

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Presets & gravity tilt

Cup, funnel, test tube, and hourglass wall presets to start experimenting instantly. Tilt the device and sand flows that way.

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Save & share

Export the screen as a PNG, record moving scenes as a GIF, and save canvases to slots to reload any time.

✅ What you'll love

👍 Made for you if

🔓 Unlocked by a short ad, never a purchase

Some features (premium elements, GIF recording, symmetry mode, color skins, advanced tools, high-resolution canvas, extra save slots) open after a short ad. Once unlocked they stay unlocked, and there are no in-app purchases. Watching one ad can also hide the bottom banner for 24 hours.

Pour it out and see what happens 🏖️

23 elements in a pixel physics sandbox with no goals, no score, and no failing.

📲 Get it on Google Play