You use the magic amulet that Jack and Annie gave you.
You have to get into jail. Just use the tree house charm to go back to the tree house.
Just use the Tree House Transporter.
First, you get out of the tree house. Then you go to your left. You will see the Samari (the people with swords) then click on him. Then he will lead you to the jail.
once you're in Japan Jack and Annie will give you a magic amulet. Use it and it will teleport you back to the tree house.
You have to use the medallion that takes you back to the magic tree house whenever you like!
Go to the woods to the left with a car tier and you will find the magic tree house
its out now!
use the magic amulet they gave you
on main street
The 19th island on poptropica is Magic Tree house Island.
You use the magic amulet that Jack and Annie gave you.
You need to get it in the bonsai shop.