Free for every classroom, K-12

A cabinet of curious things to learn with.

Interactive tools to project, share or download. Explore the elements, find every state, build a bridge. Some are games, most are just good to poke at.

Try fractions, revolution or MS-PS1-4

Free foreverNo sign-upNo ads or trackingWorks offlineDownload any tool

Pick a grade

All grades and bands →

K-2

Teacher led on projector or smartboard

K 1 2

3-5

Colorful

3 4 5

6-8

Cleaner

6 7 8

9-12

Dark pro-instrument look

9 10 11 12

Ready to use

All 3 →

Marching Band

Line up a marching band in pairs and rows. Does everyone get a partner? How many ways can 12 musicians march?

Math Grade 2 Builder

Elements Inspector

Spin a 3D atom, light up its emission spectrum and wander the whole periodic table. No quiz, just curiosity.

Science Grades 6-12 Explorer

State Quest

Click a state, name it, fill the map. Practice at your own pace, or take the three-strike Challenge.

Social Studies Grades 3-8 Map

Pick a play style

All 21 styles →

Just exploreNo score, no quiz. Click around and wonder. Class ShowdownWhole-class projector game with teams or votes MysteryDetective case: gather clues SimulatorChange the inputs and watch a system respond TycoonRun a shop StudioMake art

Subjects

Math English Language Arts Science Social Studies Arts Health and PE Computer Science World Languages and ASL Careers and Finance Social and Emotional English Learners Library and Research

On the bench

See all 583 →

Tools we've sketched but haven't built yet. They show up here first.

Grades 9-12 · Library and Research · Role Play

Fair Use Court

Rule on fair use cases (memes, remixes, school projects) using the four factors; learn Creative Commons licenses.

Grade 1 · Math · Puzzle

Balance the Beam

A balance scale with numbers on both sides; find the missing weight so it levels. Kills the "equals means...

Grade 8 · Science · Arcade

Bug Hunt

Be a bird hunting bugs on a background; the bugs you miss survive and breed, and camouflage evolves in...

Grade 12 · Social Studies · Simulator

Fed Chair

Set interest rates and see inflation and unemployment respond over time.