He also did Secret Life of Components which is very good. I used it as part of a Design & Technology course for my home school.

That was his pandemic project! It's really fun: https://www.youtube.com/playlist?list=PLtaR0lZhSyANYB0Xxb9OS...

Thanks! I hadn't heard of that show before, having watched the first episode you can tell it's from the era of Tomorrows World and the legendary Johnny Ball!