Measuring Speed to Understand Forces & Motion Using everyday objects, Microsoft hacks Hot Wheels® Speedometry™ to teach students about the relationship of an object’s mass to its potential and kinetic energy.
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Measuring Speed to Understand Forces & Motion

Using everyday objects, Microsoft hacks Hot Wheels® Speedometry™ to teach students about the relationship of an object’s mass to its potential and kinetic energy.

Project Basics

Takes 1 week of classroom time

Costs approximately $2.00 to $3.00 USD per student, excluding tools and microcontroller

Meets middle school science, technology, engineering and math standards (STEM)

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Materials developed in partnership with the Mattel Children's Foundation

The Hot Wheels® lesson instruction guide showing some of the steps on how to create the Sensorized track.

Measuring Speed to Understand Forces and Motion


A step-by-step guide for modifying Hot Wheels® cars and track. Includes detailed instructions and a list of things you need.


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The Hot Wheels® Sensorized track Excel workbook

Customized Excel Workbook


A customized Excel workbook that visualizes real-time data generated by the modified Hot Wheels® cars and track. Requires the Project Córdoba add-in listed below.


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Required materials such as Hot Wheels® tracks, Hot Wheels car, wire, glue, cardboard etc.

Materials List


A spreadsheet with links to online resources to help you bring these projects to your classroom.


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An Arduino Uno microcontroller alongside a circular LED light panel.

Code for the Project


Pre-built code for your microcontroller to help you and your students visualize live data.


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The Hot Wheels® logo above text 'Speedometry' represented with a rev meter

Featured Lesson Plan


Developed by USC's Rossier School of Education and the Mattel Children's Foundation, this 4th grade curriculum integrates Hot Wheels® cars and tracks to teach the fundamentals of energy, force and motion.

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Technical requirements

All Hacking STEM lesson guides fanned out.
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Hacking STEM library

Hacking STEM offers bite-sized, hands-on, teacher-tested projects and activities that use everyday materials to make STEM affordable, accessible, and fun for everyone. Browse our library for downloadable, printable materials.


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