"can you find the led"
about the 4th image down on this page below
http://www.talkingelectronics.com/projects/50%20-%20555%20Circuits/50%20-%20555%20Circuits.html
no i can't!!! am i blind?
It is one of those 3D things where you have to make your eyes go funny to see a big pattern in the pattern. They were popular about ten years ago.
rows 7 and 12... Any of them... or all Now for a real Trick... cj how much voltage?
It is there, but it is a trick question. The whole image is a LED symbol, made up of the opposite diodes, like "connect the dots".
edit: Login to see the answer. 
Docedison:
rows 7 and 12... Any of them... or all Now for a real Trick... cj how much voltage?
What's the forward voltage drop per diode? and the Voltage/current supply is rated what? lol