Notes: Ability to defeat at least 1 level 58 Ogre.
Start: Inside the Clock Tower, south of Ardougne. Talk to Kojo.
Purple Cog: First find the Poison needed to kill the rats. Then go to where the cages of rats are and put poison into the food through there. Walk out and you will see levers to close the gates. Push levers to close the gates and wait for the rats to die. Now go back into the cages and search. Right at the end of the cages you will find the purple cog. Now go back up the ladder to the 3rd floor and place purple cog on purple pole.
Red Cog: To get red cog you have to go past the Ogre's (lvl 58) and pick the Cog up. Then go to the second floor and put it on the red pole.
Blue Cog: Go back outside of the monk's house and walk towards the drunk monk with the wheelcart. Go directly north of him and across the bridge. Go west and you will find a ladder. Go down the ladder and follow the passageway. You will finally come to a odd looking wall. Push it and take the Blue cog. Go up the ladder there and back to the house. Go to basement and put blue cog on blue rod.
Black Cog: For this cog, you need a bucket of water. When you find the black cog , use water on it and now you can pick it up. Go to first floor and put black cog on black rod.
