This set count all the items I used in my Clockwork map and much more.
You'll find a total of 690 items split as:

300 Gears (150 statics and 150 moving) :
-10 models
-5 sizes
-3 colors (gold, silver, bronze)

360 Clock hands (180 statics and 180 moving) :
-12 models
-5 sizes
-3 colors (gold, silver, bronze)

30 Clock faces (all static) :
-2 models
-5 sizes
-3 colors (gold, silver, bronze)

All the statics items have a mesh that you can change in the in-game mesh-modeler.
All the moving items can be modify (the movement) with the Editor++ plugins.