Kids Show. well, adult may be able to relate it because it's basically about the history, specifically on how the Electromagnetic waves or electricity was invented. (woo) Characters are well-made. but i hope the focused more with them, ...(T_T) like, they put more importance to them. story line - 7/10. they just focus on the story of those inventors on how they created their inventions. (just read your history/science books then .. lol :D) though ,it's kind of a refresher for me either, well its been a long time since i read my science book., i dont even remeber their works. voice actors --- wellsince i love Toyosaki,aKi, (sphere group -all of them), thumbs up :D