You need to get the mech steam motor and the mech crank. In a garage by Sullys is unfinished mech. Use your two mech items besides it and you then have built the mech.
to the mech to attach it
find the mech crank and mech battery
wala
you go in it
To use the mech, you put your cursor over the mech until the label "enter mech" comes on. Click the label. Your character should jump up into the mech. You walk with it normally as if you were walking down the street in poptropica. In order for it to work, you must have all the parts.
in your bag there is a mech crank in it
In the garage next to Sully's shop
The mech is that thing that can walk around. It looks like it has 2 legs and you find in the garage next to Sullys. You'll need sprockets guidance in order to operate it.
You can get the mech crank at living quarters in Zack's room ( go up the ladder and exit the room and walk across the vine and pick up the mech crank)
pound it with the mech's weed whacker
the way to use the mech is to find all the items needed to activate it and use it as a vehicle on your journey to victory.By the way pick up the attachments and use it to kill plants
Mech-a, Mech-anic, Mech-anical, Mech-anization