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Physics Sandbox

Play with physics.Learn by doing.

An interactive sandbox for exploring mechanics, gravity, collisions, and more. Build, experiment, break things.

Launch SandboxGet it on Google PlayView Pricing
physics.stacklis.com
60 FPS
Features

Everything you need to simulate

Rigid Bodies

Real collisions, momentum, friction

Joints

Springs, hinges and ropes

Materials & Zones

Rubber, ice, glass. Fans and drag fields.

Toys

Bombs, balloons, rockets, black holes

Learn as you play

19 levels, explained from kid to expert

Pro

Save & Study Notes

Reload your scenes, print the formulas

Pricing

Simple, honest pricing

The pricing below is for the web version. The Android app is free on Google Play with everything already unlocked.

Free

$0forever
  • All 19 levels and every preset
  • Every tool, joint and toy
  • Share a build by link
  • Works offline, nothing uploaded
Start Free
Recommended

Pro

$9once

One-time purchase. No subscription, no renewal.

  • Everything in Free
  • Save and reload your own scenes
  • Yours forever
  • For classrooms: study notes print every concept a build touched, with the formulas and university-level derivations, ready to hand out
Get Pro — $9