To get the key go to higher ground (on the house) and jump down on top of the bat. If this doesn't work, go on the roof and PATIENTLY wait for the bat to fly above you. When it does jump up and get the key. You need to be patient for this part, don't just chase the bat around the screen, that never works.
Later on in the game, you will get a copy of Van gogh's "Starry Night". It gives you the option to examine it. Once you do, you will find a note saying "Meet me in the museum
in Early poptropica." There, you will find the creator from Counterfeit, who gives you important information, as well as the key to the house.
First you stand on top of the roof [any part of it,like above the door] then you wait for the bat to come and jump to get it when it is right above you.
you go to early poptropica, and go inside the gray art place. there you talk to the lady in purple and get a key. the key goes to the locked house back in counterfeit island.
If your talking about Counterfeit Island then you get the key and go back to the museum on Counterfeit Island
The key is not on counterfeit island. Go into the mueseum and the person on the left will give you a package. then go to early poptropica and there will be a lady standing on the left.
You now have a key that fits a lock on Counterfeit Island, and you haven't found a key to the lock on the Inspector's house, so...
Once you get the key from the curator, go back to Counterfeit island and use it at the Inspector's house.
You take it back to counterfeit Island and use it on the door of the house.
Early Poptropica.
go farther in the island until u get a key (ps the key goes in the door)
She warns you that there is a notorious thief at work on Counterfeit Island, and gives you the key to the Inspector's house in the Country Side.
You go to Early Poptropica Island and go into Pop Art Museum and a lady gives you a key
The art thief is back on Counterfeit Island. As part of Counterfeit island, you don't need to do anything in Early Poptropica except get the key from the curator at the Pop Art Museum, then return to Counterfeit Island to open the Inspector's house.
Go back to Counterfeit Island and use it to open the Inspector's house in the Country Side. On the way, the street artist gives you a clue as to what to look for in the house.