[1] https://www.jameco.com/z/KIT-EFK-BUNDLE-Jameco-Kitpro-Compon...
It had a wonderful kit where you would use screws in a board so you could see every wire path. Much easier to explain than modern breadboards
[1] https://www.jameco.com/z/KIT-EFK-BUNDLE-Jameco-Kitpro-Compon...