Well Guys I'm sorry but i'm looking for it
You pick the lock with his lock picks
Go to Insiders Network and go to the mystery island walkthrough and he will show you how to pick the lock
You cut the rope that traps Houdini and let him out.
The 21st island on poptropica will be mystery train island.
You chase her around the city and then get her on the train. then harry Houdini will capture her in his water chamber
depends which stage
It doesn't say where he went.
Mystery train island
Eric Weise is actually Harry Houdini you can find that out from the New York Times reporter.
You use the lock pics to unlock his handcuffs
HJ
In the janitors closet
It was revealed in late July, 2011 that the 21st Poptropica island would be Mystery Train Island.