Although largely relegated to retrocomputing enthusiasts and embedded systems or microcontrollers now, there was a time when there were no other computers available other than those with 8-bit ...

Electronics-based computers are far superior in essentially every way, but the aesthetics of a mechanical computer are still unmatched, like this 8-bit machine built from K’nex.

Shadowman39 has built an 8-bit computer with the help of K'nex construction toys. Despite its imprecise mechanics, the machine solves simple arithmetic problems.