A Tesla coil easily makes it to the top spot on our ... he will be producing a kit in the near future. Definitely something we’ll be keeping an eye out for.

You can see the coil, an explanation of the design, and a comparison to a cheap kit in the video below. Of course, you hear about Tesla coils, but it is really more of a Tesla transformer.

Explore the power of wireless energy as you build your own ‘baby Tesla coil’ (or Slayer Exciter) using Lego Technic! This experiment may not be a traditional spark-gap Tesla coil, but it demonstrates ...