Version 1:

Belt Driven design proved unreliable, Single Stepper Motor with low torque, Four Brush Wheels, and 28 Zip-ties

Version  1.2:

Five Gears, Single Stepper Motor, Four Brush Wheels, and 28 Zip-ties. Gears had low reliability but worked

Version 2 (Final By Chris and Sam):

Six “New” Gears (more reliable and stronger), two stepper motors for higher torque, four brush wheels, 16 toothbrushes, One Aftermarket Car Windshield Wiper Fluid Dispenser Kit, and 60+ Zip-ties.

Version 3:

TBA, Features will include stronger motors, better cleaning heads, and simpler attachment methods.