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Balancing Robot from Recycled Materials
Amaze your kids by transforming two old toilet rolls and a few other recycled bits and bobs into a cool steampunk-inspired robot.

Fabricate Pieces to Complete a Defective Jigsaw Puzzle
What you’ll need to begin: THE BOX in which your puzzle came (hopefully, with a picture of the completed puzzle on it); A typical 3-in-1 style printer-scanner-copier (with ink, of course); Photo paper (I’d use gloss finish, depending on the puzzle); Microsoft Paint (which is on virtually every computer, new or old, running Windows); A […]

WireFinder 9000
By Christie, Jim, John, and Terry Noe Our dog, Maggie, loves to run around in our big yard.

Alarm Purse
By Norene Leddy with Ed Bringas and Johana Moscoso The Alarm Purse is a simple, fashionable way to add an audible alarm to your handbag.

Control a Servo Motor Without Programming
Learn how to control a servo motor with a dial and a simple circuit.

Light Theremin
Anyone who’s shivered in the dark at a scary movie or laughed at the unintentional cheese-ball of a bad sci-fi (paging Ed Wood) knows the eerie sounds of the theremin.

Studded Bicycle Tires and Chains
Traction is all about digging into the terrain.

Hedge Maze Area Rug
Give your rug a haircut.


Gun-Operated Alarm Clock
Clock radios are everyday hated devices that designers seem to ignore, judging by how little their features and user interfaces have changed.

Whack-a-Mole Game
Jim Chen designed an excellent electronic "Whack-a-Mole" game using 555 timers, LEDs, and bent-diode touch sensors, that you can build on a solderless breadboard

Fabric Masterpiece
When it comes to decorating, I picture exactly what I want, then refuse to settle for less.