This is a pack for Matrixed Marble Machines that adds models and instructions for building three counter modules that can be used to turn your machine into a rolling ball clock. There are models in this pack which can be used to count minutes, tens of minutes, and hours. Additional materials required to build this model include neodymium magnets, bearings and M3 hardware. Consult included documentation for an exact bill of materials.

This pack is also part of the Clock Starter Pack.