Make: Online: Toys and Games Archives

Archive: Toys and Games

November 18, 2009

"Father of video games" documentary

Motherboard has this wonderful look inside the world (and workshop) of Ralph Baer, creator of Pong, Simon, and other electronic/video game classics.

Ralph Baer and His All-Purpose Boxes

Intern's Corner: Test-firing the HHO rocket

MAKE: Intern's Corner
Every other week, MAKE's awesome interns tell about the projects they're building in the Make: Labs, the trouble they've gotten into, and what they'll make next.

By Steven Lemos, engineering intern

Making the Hydrogen-Oxygen Bottle Rocket (that Adam Savage is posing with on the cover of the new MAKE, Volume 20) was a pretty basic endeavor, with the exception of the circuit. The original schematic diagram had a flaw in it, but only after we breadboarded the circuit -- twice -- did we catch it.

I guess that's the reason we MAKE interns build the projects that run in the magazine, so it's us who bang our heads against the table and not you. I will kindly take that cookie now.

The experience showed me that, sure, when working with electronics it's easy to misplace a component or wire, or completely miss something, which I already knew, but it's just as easy to have a diagram be the culprit. So a word to the wise (a word I'm sure all the experienced hobbyists have already discovered for themselves): if you take care when putting together these tedious circuits it will pay off, for if you can trust in your work, then you'll know the culprit lies in the plans, and you won't spend hours chasing that metaphorical wild goose.

Twice we breadboarded this bad boy before discovering an error in the schematic -- so you won''t have to.

But on to the actual launch. :) We had talked to the local electronics store owner, who at the time was making his own hydrogen using a more sophisticated apparatus, and who was interested in what we were doing with ours. So he came to watch, and brought along his professional pyrotechnician friend, who showed us how to make fuses with 12V and tiny resistors (basically the resistors pass so much current that the wire heats up and can act as a fuse to light stuff -- voilà, cheap fuses).

Our beautiful 2-stage HHO rocket ready for test launching -- before being crippled by a crash.

The first launch was a success, with the two stages going off rather quickly in succession, so we dialed in a little more delay time in the circuit before the stage 2 ignition. This was good and bad. We got more height out of the rocket on our second launch, but on its return it landed electronics side down. This resulted in our circuit behaving oddly.

So, not ready yet to call it a day, we began firing off only one stage at a time, adjusting the proportions of HHO (hydrogen and oxygen gases), water, and air, and testing the makeshift fuses, which worked fine for a single stage, but due to the time they take to ignite (3sec@12V) might not work for 2 stages.

We probably launched 12 times that day, attracting passersby. Good weather, new friends (who like blowing stuff up), and multiple launches. All in all, a good day. Houston, we have liftoff.

• Related: MAKE, Volume 20: "For Kids of All Ages"

November 16, 2009

Millenium Falcon holochess table

I just discovered the Replica Prop Forum, and it has me on a bit of a Star Wars kick. This replica holochess table from Star Wars Episode IV was built by Philip Wise of Dallas, Texas:

Here's a video showing the basic demo mode, which is the audio and light pattern from the 50 seconds the game has in the first movie. The table is playing music from an internal flash drive and you can start the demo mode by pressing one of the 7 functional knobs. During the mode the audio plays and the lights repeat the pattern from the movie. After the demo, it goes back to the light pattern it was running, one of many, and returns to playing music.

How-To: Arduino-based laser tag

J44 outlines his steps for converting a basic gaming light gun into a custom Laser Tag-like system, including gun and head mounted 'hit' detectors (a la Photon) -

I hope many of you will find this instructable useful and will go on to build your own duino taggers. There is much scope for improving and upgrading this system outlined here. If you do go on to improve on this duinotagger please share your work and hopefully in time the system will evolve into a much richer gaming experience.

The system is designed to be compatible with the DIY MilesTag system. Check out the project's instructable for full details.

Related:

Build your own laser tag system

In the Maker Shed: Cabaret Mechanical Movement

The Cabaret Mechanical Movement book is packed with information, diagrams, and useful tips on making your own automata. The book uses machines and automata from the Cabaret Mechanical Theater to explain levers, shafts, cranks, cams, springs, linkages, ratchets, gears, and even coin-op control. This is a great introduction for those inspired to go and make their own work.

November 15, 2009

History of curved origami

Interesting article from MacArthur fellow Erik Demaine covering the history of origami-style models that include curved folds. Shown above is "Concentric Circular Tower" by late UCSC Professor and noted computer scientist David A. Huffman (Wikipedia), whose curved-origami work was covered posthumously by the New York Times in 2004. The Flickr curved fold pool is chock-a-block with fascinating models of this type. [Thanks, Jon!]

More: Curved tetrahedron origami

November 11, 2009

Remote-controlled bowling ball

For just $1500, you can have your very own remote-controlled bowling ball! Maybe this is worthy of a remake? How about adding flashing LEDs to one of those translucent bowling balls? That shouldn't be too difficult to make, right? Although I doubt the addition of LEDs will help you score a 300!

November 9, 2009

Hasbro toys Star Wars diorama contest

Hasbro is having a contest to see who can build the best Star Wars diorama using "at least five 3 3/4" Hasbro Star Wars figures and or vehicles." Submissions are open until November 16. See the official rules (.pdf). [via Geekologie]

November 8, 2009

Lego bone dragon

From Flickr user necromancer7. [via The Brothers Brick]

November 6, 2009

Eight-way toss-and-catch kinetic sculpture

This work by sculptor and musician Bradley N. Litwin, of Philadelphia, is called "The Octapult." In his words:

With 8 synchronized catapults, 160 plastic balls per minute are launched, caught, and recirculated. Made mostly of wood, the work is ~36 inches in diameter. On permanent display in the lobby of Lower Merion Elementary School, Merion Station, PA.

Really narrow car

Look, Ma, it's a motorcycle with four wheels. Not a bike but, um... a "quike," maybe? It's the 4RWF V8 from "Cosmos" Muscle Bikes. ("Cosmos?" Really?) Four wheels or no, they're at least going to have to hire a copy editor for their website before they'll persuade me to part with the nearly $100K it reportedly costs. [via Born Rich]

How-To: Make a Star Trek Bluetooth Communicator

Usually I write about ham radio. But looking at communication devices of the future from the past, I thought it would be fun to have a Star Trek: The Original Series Bluetooth communicator for a cellphone. I worked with Dave Clausen to hack one together from a toy Star Trek communicator, a Bluetooth module, and a microcontroller. Following are the directions and program to make your own. And of course a video to show how the Star Trek Bluetooth Communicator works.

And if you really want to geek it up, the Star Trek Bluetooth Communicator can also be used with the Yaesu VX-8R ham radio. It also makes an awesome gift. Read on for the full tutorial.

Read full story

November 3, 2009

Alien twins life support system haunt prop

John Russell made this fantastic haunted house prop. In his own words:

Two aliens contained in suspended animation chambers. A central control unit monitors and sustains life support functions. The control screen is a looping flash animation. Every few minutes, a malfunction state is triggered. Sound and graphics announce the error, and a Make Controller board is used to trigger emergency flasher lights and a fog machine (simulates a cryogenic coolant leak).

The video shows the system going into its "malfunction state." Awesome work, John!

Make: Halloween Contest 2009

There's still time left to enter the Make: Halloween Contest 2009! Deadline is 11:59 PM PST, November 3rd. Show us your embedded microcontroller Halloween projects and you could be chosen as a winner.

Notebook based on "Jacob's Ladder" principle

You kind of have to see this thing move to get the point. The brand name is RevolveR and, apart from novelty, the "floating spine" binding seems to serve no particular function. Still, it's pretty delightful, and seems to operate on the same principle as the toy commonly known as a "Jacob's Ladder" (Wikipedia). [via Boing Boing]

November 2, 2009

Auto-tracking sentry gun build

The beginnings of an Aliens-style (except, you know, without all the actual bullets and killing and so forth) automatic sentry gun from diederick. The tracking platform is obviously flexible, but I think he intends to mount an AirSoft gun. Build details and code downloads are available from his website.

October 29, 2009

MAKE 20: Snowboard conversion to DIY splitboard

A couple of winters ago, when some friends and I were slogging up the roughly 2,000 vertical feet of Waterhouse Peak in the South Lake Tahoe area, snowshoes on our feet and snowboards strapped to our packs, we were repeatedly passed up by smiling telemark skiers, smoothly gliding uphill with skins on their skis. The snowboarding answer to this ease and simplicity is known as a splitboard, a snowboard that comes apart into two planks, which you cover with skins for the uphill, and then put back together into snowboard mode for the downhill. The hitch is that I've been drooling over ready-made splitboards for a few years now, but they regularly cost between $600-$1200 for the deck alone. Now, Voilé is offering a kit to split an existing board yourself; the Split Decision kit runs around $160. And in MAKE Volume 20, Damien Scogin gives us a detailed step by step for making your own splitboard. The sketchiest part of the build has got to be taking a saw to your snowboard. It's like DIY surgery on one of my most beloved toys, but Damien shows how to use a table saw and build a quick and dirty jig to keep the cut straight. Is it a coincidence that a friend of mine just gave me a board that would be perfect for this? Nope, I think it's a calling.

If you're a MAKE subscriber, your issue should be arriving any minute now in the mail. If not, look for it on newsstands on November 17th or order yours from the Maker Shed. The issue is dedicated to "Kids of All Ages" and it's jam-packed with nothing but fun.

October 26, 2009

Hacking the Force Trainer

Zibri did some investigative hacking with the Force Trainer (brainwave controlled toy) and posted a basic interface schematic using a MAX3233 to interface with his PC via serial. It turns out the EEG headset is sending out data as ASCII characters @ 57600 baud - should make for some quick and easy hacking! Time to add mind control to those microcontroller projects.

October 24, 2009

Laser-cut ouija board looks authentic

From the MAKE Flickr pool

Daniel sends pics of his laser-cut/engraved ouija board - the hand-painted fills add a nice touch!

October 23, 2009

Musical Go boards

Some years ago, a conversation with my old friend Billy Baque turned to the subject of adapting board games for sightless play. When it came round to Go, Billy mentioned having read of an antique Korean board, hollow inside and strung with wires along the lines of the grid, the wires being tuned such that each intersection produced a unique musical interval when a stone was placed upon it. Whether this was simply an aesthetic embellishment or a means to make the game more accessible to sightless players, he did not know.

I was fascinated, and made every effort to run down Billy's original reference, which I eventually determined was R.C. Bell's Board and Table Games from Many Civilizations, Revised Edition. From p.100:

Traditional Japanese boards are made of a solid block of wood about eighteen inches long and sixteen broad, and some five inches thick, fitted with four detachable feet about three inches high. The board and feet are stained yellow. A square depression is cut into the underside of the board to lighten it, and also to increase its resonance; the pieces making a pleasant click when placed upon it. The Koreans have gone a stage further and some of their boards have wires stretched beneath to produce a musical note when the stones are played.

"A musical note" tends to suggest that the board as a whole played a single tone, interval, or chord, rather than a unique tone or interval for each playing position. Still, it seemed worthwhile to try to run down Bell's original reference, which, thanks to his meticulous bibliography, I eventually found was Stewart Culin's 1895 Korean Games with Notes on the Corresponding Games of China and Japan, which is out of copyright and available in its entirety on Google Books. From p. 91:

The Korean board, pa tok hpan, differs from that of Japan, in being made in the form of a small hollow table, while the Japanese board consists of a solid block of wood. The Korean board is resonant and by an arrangement of wires stretched within emits a musical note when a piece is played. A specimen in the Museum of the University of Pennsylvania (Fig. 96) is eleven inches high and about sixteen inches square.

Again, "a musical note," but the language in both cases is ambiguous.

Culin's Figure 96 is reproduced at the top of this post. I've contacted The Penn Museum to see if collection number 16,431 still exists and/or if they have any record of it. I was hoping, at least, to show you all a photograph. Can't seem to get anyone to respond, however. If anyone has any information about this artifact or about musical go boards in general, I would love to have it. Please drop us all a comment or e-mail me directly.

How-To: Make chemiluminescent soap bubbles

No photos yet. That's a homework assignment for the bubble chemists in the audience. But I couldn't resist sharing my excitement over this paragraph from US patent 5,246,631 for glowing soap bubbles:

An example of practice of the present invention involves using a liquid dish such as LEMON JOY available from Procter & Gamble Company (Cincinnati, Ohio). Although the LEMON JOY may be diluted with varying amounts of water, it is preferred that the dishwashing liquid be used at full strength. Approximately 9 milliliters of CYALUME solution made in accordance with the manufacturers instructions are added to approximately 120 milliliters of the dishwashing liquid. Although this particular mixture may be used to produce adequate self-illuminated bubbles, it is preferred that 3 to 4 drops of glycerin be added to the solution as a bubble hardener. The solution is then ready for use to form self-illuminated bubbles.

I've never actually measured how much Cyalume (Wikipedia) is in a standard glow-stick, but I'm betting you could come up with 9 mL of the stuff by cutting open two or three at most.