Arcane mixing techniques
From Gender and Tech Resources
Digital techniques basics
Boolean algebra
Examples
Resources
Breadboards
You can buy solderless breadboards in a shop or online. Mind that you pick scalable like the SD-12 so you can hook up breadboards together and they become reuseful for other projects such as prototyping your own sprinkler system).
Alternatively (and the path I will take), start gathering and collecting IDC ribbon connectors (Floppy drive cables, old HD cables, SCSI cables) to build your own breadboards with.