what’s all this about?

are a kit for building mechanical circuits and computers. Think of:

  • Redstone circuits in Minecraft
  • Factorio
  • Cellular automata and Conway’s Game of Life
  • Lego Technic, but for building computers”
note

These are comparisons only — we aren’t affiliated with any of these products.

In a nutshell: by arranging patterns of tiles (“”), we can guide marbles around a disk. By making these marbles interact in clever ways, we can build computer components such as calculators, memory, processors, displays — or even a fully programmable computer.

definition

A roon is a tile that guides marbles.
A pattern is an arrangement of .
A disk is the 8×8 grid we build patterns on.

These tutorials will walk you through the nuts and bolts of how computers work. We’ll start with very basic bits and logic gates, and gradually learn how to combine them into more complex devices.

tip

If you’re following along with a review kit and have any problems, visit our troubleshooting page.

continue