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I invented this toy when i was a child.  I was trying to
 make a perpetual motion machine but made this by accident...
 It is fun and very simple...
 I did this build at The TechShop in San Jose California...
http://techshop.ws/
    Gabriel Aceves

Step 1: Materials...

Picture of Materials...
Materials you are going to need are,  (2) small Dc motors, (1) 1/8 split pin, (1) small  6-9volt lightbulb
 with 4 inch leads, (1) AC-DC transformer that matches the voltage of of your dc
 motors...  I got all the materials at HSC electronic surpluss
 in sunnyvale california.  you also need a soldering iron and solder 
 
Wow, sorry no video
ynze3 years ago
It looks cool to me! Why do you need two motors to make the circular motion?Could you post a video of the light toy in action?

Grtz,

Ynze
gaceves009 (author)  ynze3 years ago
The second motor acts as a generator....
ynze gaceves0093 years ago
...and now I understand your remark about a perpetual motion machine :-D. It takes me a while, but I'll get there in the end...
ynze gaceves0093 years ago
Ah, I could have thought of that myself :-s
Smart!

Y.
carlitos3 years ago
Simple but interesting. You are effectively passing electricity from a fixed terminal to one that is spinning, with some loss of course determined by efficiency of motor as a generator and how small a difference between spin rates of the motors' shaft.
gaceves009 (author)  carlitos3 years ago
Yeah That sounds right... the second motor
housing spins slower because it has to drag the
wires and the light aroung causing the
armacher tho spin and there for making
electricty... Sorry about the terrible spelling
gabriel