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the factory, get the crowbar to open the vent
24 carrot island
The closed Carrot Cake Factory is to the right side of 24 Carrot Island. You will need a crowbar to get in through the sewer pipe at far right. (see related question)
Use the crowbar to open the sewage pipe tp enter the warehouse on 24 Carrot Island.
If you are still solving carrot island, you have to go to the factory and get to the other side. When you are there, you'll see a blocked opening. Use the crowbar to pry the cover out! Hope this helps! Place a message on my message board when you solved this island.
You use it to open the secret passageway all the way to the right of the factory.
Find the missing cat for the clerk at Carrot Surplus, and you get a reward : a crowbar. You can pry off the large drain at the right of the factory.
If your talking about 24 Carrot Island you have to beat the island and then you can follow the guy going up the rope.
Return the missing cat to her owner at Charlie's Carrot Surplus and you will receive a crowbar, which will come in handy when you next travel to the Carrot Cake Factory.
Before you go to the Carrot Cake Factory to the right of Main Street, you will need the crowbar, which you can get for returning the lost cat to Charlie's Carrot Surplus. Then at the factory, you need the blueprints found by the window near the roof. Then you can enter the factory. (see related questions)
The drain pipe is to the far right and down, on the far side of the Carrot Cake Factory. Once you have a crowbar, and the blueprint from the window near the roof, you can enter the factory. (see related question)
The black cat on Spy Island is just decorative and not part of the game. The gray cat, Whiskers, on 24 carrot island, can get you a crowbar. (see related question)