About
Contact Us
Who We Are
Energy Systems
Invent-a-Wheel
1. How Can You Get It to Move?
2. Playground
3. Ramps and Sleds
4. Surfaces and Friction
5. Sled Redesign
6. Let's Roll
7. Make A Car
8. A Test Drive
9. Car Facts
10. Write a How-to Book
11. Improve Your Ride
12. The Auto Show
Fantastic Elastic
1 What Is a Wind-up?
2 Make a a Wind-up
3 Troubleshoot Wind-ups
4 Make a 2nd Wind-up
5 Energy and Wind-ups
6 Experiment on Toy Making: Wheel size preparations
7 Experiment on Wheel Size
8 Experiment with Rubber Band
9 Redesign and Decorate Wind-Ups
10 Continue the Redesign
11 How to Make My Wind-Up
12 The Auto Show
How Could a Balloon Power a Car?
Make a Balloon Car
Troubleshooting Balloon Cars
How to Build a Balloon Car
How a Balloon Car Works
How a Balloon Car Works
Balloon Car Troubleshooting Chart
ElectroCity
1. Light & Sound
2. Make a Switch
3. Circuit Diagrams
4. Motors
5. Make a Simple ElectroCity
6. Hidden Switches
7. Vibrators and Noisemakers
8. Things that Glow in the Dark
9. Infrared Remotes
10. Design an ElectroFying ElectroCity
11. Make an ElectroFying ElectroCity
12. Present Your Electrocity
13. The Digital Multimeter
STEM at Home: Flip Toys
EnerJeeps
1. Turn a Motor On
2. Make a Switch
3. Circuit Diagrams
4. Let's Roll
5. Make A Direct-Drive or Friction Drive Car
6. Troubleshooting a Direct-drive or Friction-drive Car
7. How to Build a Direct-drive or a Friction-drive Car
8. Make a Belt-drive or Propeller-drive Car
9. Troubleshooting and Redesign of Belt-drive & Propeller-drive Cars
10. Improve your Ride: Add a Horn & Lights
11. Gearing up for the Auto Show
12. The Auto Show
Force and Motion
Mech-a-Blocks
1. What Can You Make?
2. Structures and Mechanisms
3. A Mechanism with an Input that Controls It
4. Mechanism Diagrams
5. Modeling Mechanisms
6. Modeling Manufactured Mechanisms
7. Which Way Will It Go?
8. How to get a Better Ride
MechAnimations
1. Identifying and Sorting Mechanisms
2. Making Mechanisms
3. Making One Link Control Another
4. Representing Mechanisms
5. Directions of Motion
6. Combining Mechanisms
7. Movement Around a Pivot
8. How much do outputs move?
9. Pegboard Models for MechAnimations
10. Making a MechAnimation from a Pegboard Model
11. Redesigning MechAnimations
12. Presenting Mechanimations
Pop-ups
1. Looking Closely at Pop-ups
2. Make a Pop-up
3. The Shape of a Pop-up
4. Finding Patterns in the Folds
5. The Pop-up Computer
6. Where Does it Hide?
7. Stair-step Pop-ups
8. How they Move
9. Make an Angle-fold Pop-up
10. The Monster and the Inside-out Monster
11. The Peek-a-Boo and the Hand-waver
12. The Twister
Computers Unwrapped
Circuits
Codes
Information
Computation
Communication
Storage
Control
Kids Design and Make
Flip Toys
Make a Belt-Drive Car
Money Alarm
Sara and Lola's Wind-up
Slide Switch and a Buzzer
Slippery Slide
Sub-systems for an Electric Car
Wind-Up Toy
Stuff That Works
books
Books
Mechanisms & Other Systems
Signs, Symbols & Codes
Designed Environments
Packaging and Other Structures
Professional Development Guide
Introductory Workshop
Half-day workshops
Guide for professional developers
Gallery
Blog
5 Home STEM Projects
Mechanical Engineering For Kids
Variables
STEM at Home
1.Flip Toys
Introduction
Materials
How to make it
Troubleshooting
How it works
Experiments
Customizing
2.Parachutes
Parachute Materials
Assembling parachutes
Launch your parachute
How it works
Posts
Hello, World!
Tags
Navigation
Energy systems
Energy Systems
Bad Connection: Battery
Home
Energy systems
Additional
Bad connection battery
