Or you can build a computer on a breadboard: https://www.youtube.com/playlist?list=PLowKtXNTBypGqImE405J2565dvjafglHU https://www.youtube.com/playlist?list=PLow

Or you can build a computer on a breadboard: https://www.youtube.com/playlist?list=PLowKtXNTBypGqImE405J2565dvjafglHU https://www.youtube.com/playlist?list=PLowKtXNTBypGqImE405J2... I did this and not only was it great fun it taught me loads about clocks and busses etc. that was all magic before.