In the Post Office, when you first go there, go straight, but then go a little left. You will see a barn-looking house. You will see a guy with a blue hat, that's Dodger!
he's in park station by the farm.
If you have it from dodger then you have to use it for a quest if you are not sure who is it for ask dodger
petpet plaza No they aren't liar!
Squippet Hollow is in the northeast part of Petpet Park you can find the Crafting Tree there.
In Park Pointe Square.
The pawvillion
in bogbottom
You can find him in Mystimar Glen.
In the end it is actually Dodger's package but first you have to go see the professor at the University. Then you have to see Winsela at Park Point Square and she'll tell you to see the lady that runs Primm and Proper. You find her at Pirate Alley. Then finally you deliver the package back to Dodger and he gives you you're reward!
The Petpet Plaza is found by easily looking in your map on Petpet park.
The barrels on the ship.
He is at Laughing Spring