You use it to open the secret passageway all the way to the right of the factory.
24 carrot island
the factory, get the crowbar to open the vent
Use the crowbar to open the sewage pipe tp enter the warehouse on 24 Carrot Island.
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)
Talk to the lady in the tool store. You go into the farmhouse. Pick up the bowl. Go to the diner. Ask the waiter for milk. Go back to the farmhouse. Put down the bowl. Chase the cat. Go back to the lady.
A glitch has probably occurred, so log out, quit your browser, and log back in and start again. If that still doesn't work, you will probably have to restart the island.
you have to get the crowbar if you find charlie's cat. Evan, age 7
The 3rd Poptropica island was 24 Carrot Island.
24 Carrot Island is the 4th island of Poptropica. It came out in June, 2008.
fuzzybunny
24 Carrot Island
If you find the lost cat for the clerk at the Carrot Surplus store, she will give you a crowbar as a reward. (see related questions)