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Gadgets For a Budding Geek?
fprintf writes "As much as I hate to admit it, it looks like my 13-year-old son is following in my footsteps and preferring interesting, science-based toys. In the past he has been really interested in Lava Lamps, Newton's Cradle, and anything magnetic. It seems the knick-knacks that have generated the most interest were small and relatively inexpensive. For example, a small laser pointer keychain I bought him a couple of years ago still provides tons of entertainment. Yesterday I showed him ThinkGeek and he really liked the Levitron. I wanted to ask the Slashdot crowd what were some other really neat, interesting gadgets? Is there anything cool in the under-$50 range that you would like in your stocking this year?"
As I write this the ad under this topic is for the Dungeons and Dragons Starter Set.
I think that should settle it.
"As God is my witness, I thought turkeys could fly." A. Carlson
Seems to me like you can do an awful lot with the Arduino platform. I recommend buying from the Make guys, as you'll also see that they've published a book recently with the Arduino developers/creators that maybe your kid would like as a follow-on? They are only $30.00 and the only requirement is a computer to plug the thing into for programming. I'm asking my wife for one :-).
For project examples:
http://www.instructables.com/tag/?q=arduino&limit%3Atype%3Aid=on&type%3Aid=on&type%3Auser=on&type%3Acomment=on&type%3Agroup=on&type%3AforumTopic=on&sort=none
Why do you think he hates to admit it? /eliza
I don't want to say the s-word, but after I bought something from ThinkGeek, they started sending me marketing emails. I don't recall being presented with a choice about whether to opt in or out of marketing emails when I made the purchase. It was UCE (unsolicited commercial email), but you could argue that I had already established a commercial relationship with them. All I can say is that personally, if I buy from an online retailer and then they send me ads via email, my personal decision is not to do business with that retailer again. One very practical reason is that once they send me ads, I'm going to blacklist them in my email filter, and that would make it difficult to do business again. I'm not accusing ThinkGeek of being evil criminals with handlebar moustaches or anything, but it's just like any other business -- if I don't find it pleasant to buy from them, then they've lost my business.
Find free books.
seriously. it's how I learned that kinetic energy varies directly to 1/2 the mass and to the square of the velocity.
and how rabbits deal with sucking chest wounds and uncompensated hypovolemic shock.
dealing with sights and optics taught me about angles in degrees and minutes-of-angle and how they work with customay measurements and created triangles of horizontal trajectories. (there's mils for the same thing in metric).
dealing with virticle trajectory taught me about objects falling toward the center of the earth at 1/2 gravity x (time squared) no matter how fast they are going. and how quadrant is measured to compensate for various co-efficient's of drag and velocities/grains of bullets.
plus all the responsibility, maintenance, cleaning, and stuff. it was probably the best thing I got at 13. it sparked my interest in science and showed me how physics and math is integral in EVERYTHING you do.
THL phish sticks
As much as I like ThinkGeek, their selection is limited to gadgets. I found that assembling and -- to my parents dismay -- disassembling things are what really grabbed my interest.
I would take a look at the various kits from American Science & Surplus. There are a number of other sites (e.g., Carl's Electronics) which have even more kits, but I haven't ordered from them so I can't say whether they're worthwhile or not. (These days, most of my toys come from DigiKey, and not in kit form.)
Assuming sufficient and sufficiently geeky parental involvement, there are lots of cool things from United Nuclear. http://www.unitednuclear.com/
A collection of the smaller magnets and some ferrofluid are a pretty good combination. Ferrofluid has aproximatly the same danger and potential for mess as old engine oil, so depending on the kid you might need to supervise it. A variety of magnets also add variety to a ROMP set. http://scientificsonline.com/product.asp?eid=EID02&pn=3082172
You might also try throwing some mechanical puzzles at him. One that I particularly like can be found at http://stores.brilliantpuzzles.com/-strse-212/Internal-Combustion-Metal-Puzzle/Detail.bok but there are many.
When I was that age, which was about 10 years ago, I built my first computer. I was also tinkering with the infamous 'bread board' circuit test beds and random resistors and chips that I could get my hands on.
I would have loved to have a subscription to something so amazing as the Make Magazine at that time. It has some amazing bits in it about almost anything that I could ever have wanted to do or make. Besides that, it would have allowed me to find out about some crazier things to do in your own kitchen or garage to make something fun long before I would have played with it at school or college.
All in all, I can't recommend Make Magazine highly enough.
Communism will never work. People LIKE to own things.
The Mirage optical illusion is pretty amazing. I have it, and a Levitron, and while they're both really amazing for a while, there's not a lot of stuff to keep doing with them.
Those electronics kits from Radio Shack and other places with the resistors, diodes, etc and little springs and wires to use for breadboarding are pretty cool and educational. If he actually digs into those, it's pretty cheap to buy a real breadboard and a power supply and a bunch of real components and he can start making real stuff. If he graduates beyond the lessons in the book that comes with the electronics kit, pick him up a copy of Horowitz and Hill's The Art of Electronics, and let him get started with real stuff.
I think they're over your price range, but Lego Mindstorms are great.
You can always get him started with elementary computer programming. If "real" languages seem too challenging, HyperCard is great for starting programming, especially since pretty soon you start to find stuff you want to do but can't, and then find out that HyperTalk is a real programming language that you can start adding in piecemeal to your project, gradually learning programming.
If there are local scout troops, building and racing Pinewood Derby cars can be great if you get serious about going for either style or speed.
A basic model rocketry kit can be fun. It's cool to see it launch.
There are lots of cool science related toys/kits/gadgets here.
Can anyone tell me how to set my sig on Slashdot?
2. Dowels--- that fit in the pegs..
3. magnets-- get a 25 or 50 pack of small magnets (consider a few with dowel sized holes).
4. mirrors-- minature... harvest a disco ball.
5. string--
6. DC motors.. the dinky cheap kind that come in cheap toys.
7. prisms.. small is fine.. get geometric shapes triangles-- squares.
8. cheap speakers.. harvest a junk clock radio or 8.
9. glue
10 small springs.
Anyway.. with the laser in hand you can do a bunch of stuff with this setup.. Laser-> mirror mounted on spring mounted on speaker will make a neat wall pattern.. then try without spring.
Make a magnet spring-- shock absorber by repelling magnets down a dowel..
Recombine laser light after splitting it with a prism.
Cover the dowels with slurpee straws. and make a pully system.
This rig is expandable, cheap, and involving enough that I'd play with it..
Storm