For the science geek in your life. Perhaps, that's you! This microscope ornament is cut from a yellow circuit board with the aid of a computer controlled routing machine. Sold Individually.
Instead of cardboard, they use a circuit board. The yellow gearbox is mounted directly to the main circuit board making it into the physical spine, along with its copper traces serving as the ...
Printed circuit boards have never been cheaper or easier ... One color, the fiberglass substrate, will be a pale yellow. The copper layer will be silver or gold, depending on the finish.