Antikythera Mechanism 127, 47 and 19 tooth gears
LEGO®-compatible
One 127 tooth gear, one 47 tooth gear and two 19 tooth gears.
REVISION: AKM_gears_v6
These are part of the Sidereal and Synodic month's gearing.
Note: The all colors that are currently available.
For the Basic Antikythera Mechanism You will also need the:
Antikythera Mechanism 223 tooth gear
For information on building a Basic Antikythera Mechanism out of LEGO, including building instructions at:
https://rebrickable.com/mocs/MOC-82737