DexSTEM Interactive Tools

No-login · works offline · nothing collected · built for real classrooms
▶ Try the free tools right here — just click one. 🔒 The rest unlock with the access code in your TpT purchase (open the tool, enter your code once, and it's remembered on that device).
▶ Free to use

Classroom Timer

Big full-screen countdown timer for the projector

 ▶ Free to use

Spinner Wheel

Ad-free random name / prize picker wheel

 🔒 Access code

Teacher Toolbox

6 classroom tools in one — timer, noise meter, picker, groups & more

 🔒 Access code

Review Game Show

Jeopardy-style review game with team scoring

 🔒 Access code

Task Card Player

Self-checking digital task cards — no subscription

 🔒 Access code

Math Fact Arcade

Timed math-fact fluency game with certificate

 🔒 Access code

Sight Word Arcade

Three phonics & sight-word games

 🔒 Access code

Virtual Manipulatives

Ten-frames, base-10, fraction bars, number line

 🔒 Access code

Bingo Studio

Make printable bingo from any word list + live caller

 🔒 Access code

Memory Match

Concentration game from any pairs you type

 🔒 Access code

Dice & Chance Lab

Probability simulator with live histogram

 🔒 Access code

Personal Finance Simulators

5 finance calculators — budget, paycheck, compound, loan, goal

 🔒 Access code

Spot the AI

Human-vs-AI detection game with hallucination-spotting

 🔒 Access code

Prompt Practice Sandbox

Prompt-writing trainer with an instant rubric

 🔒 Access code

Train the Robot

Teach a real classifier, then watch bias emerge

 🔒 Access code

Digital Escape Room

Editable breakout — crack codes to open locks and escape

 🔒 Access code

Printable Activity Studio

Any word list → word search, crossword, scramble & 5 more printables

 🔒 Access code

Teacher Planner

Editable, undated, autosaving lesson planner — weekly, daily, unit & lists