Just to your right is the Clockwork Cantina. Place the gears on the mounts inside, the big ones at top and bottom and the little ones between them. Turn the crank to receive the Multi-Tool. In the trash farther right is the Steam Battery, which you can use to open the doors on the island once you have the keys.
its in the museum on mainstreet of steamworks island :)
It's Steamworks Island #14th Island
(The solution is at the related question "How do you beat Steamworks Island")
First, you fix it. Then you jump on it.
the crab on steamworks island is next to the living quarters
You go to Steamworks and head to the museum and there is the Deogen
steamworks island
There is a video walkthrough at the related link below. There are written WikiAnswers solutions at the related questions, as there are for all Poptropica islands. (How do you beat Steamworks Island) (What is the walkthrough for Steamworks Island)
Steamworks island
you can get it on the far left of steamworks island, past the living headquarters.
how to do the bridge terminal on poptropica's steamworks island
jump