Falling Sand Simulator: Draw

Draw the path. Pour the sand. Watch gravity do the rest.
Falling Sand Simulator: Draw is a relaxing physics sandbox where you create walls and terrain, pour sand, and watch it fall, slide, pile up, and overflow.
Shape the world yourself and discover how every slope, wall, gap, and container changes the flow.

DRAW YOUR OWN PATHS
Create ramps, bowls, funnels, channels, narrow passages, and mazes with simple drawing tools.
Draw thin walls for precise paths, paint thicker terrain for larger structures, or place solid blocks to build your own sandbox layouts.

POUR SAND AND WATCH IT FLOW
Drop sand from above or add it anywhere with the sand brush.

Watch sand:
• Fall under gravity
• Slide down slopes
• Pile up into mounds
• Fill containers
• Flow through narrow gaps
• Spill and overflow

Change the terrain and see how the flow changes with it.

BUILD, EDIT, AND EXPERIMENT
Create and reshape your sandbox with simple tools:
• Draw walls
• Paint thicker terrain
• Place blocks
• Add sand anywhere
• Erase sand and walls
• Undo and redo edits
• Adjust brush sizes

There is no fixed goal. Build a simple ramp, create a complicated maze, or just pour sand and watch what happens.

CONTROL THE SIMULATION
Pause the simulation at any time and keep editing while the sand is frozen.
Choose 0.5x, 1x, or 2x speed to slow things down or speed them up. Resume whenever you are ready and watch your creation move again.

SAVE YOUR SANDBOX
Save up to five scenes directly on your device.
Your walls, blocks, and current sand positions can be loaded again later, so you can continue experimenting where you left off.

PLAY OFFLINE
No account is required. The simulation works offline, so you can draw, build, and experiment whenever you want.

Build a funnel. Make a maze. Draw a winding channel. Create a giant container. Experiment with gravity and discover new ways to guide the sand.

Draw. Pour. Shape the flow.
Create your own falling sand world and watch gravity take over.