You use it to beat the plant boss at the end :)
I think its up the monsters butt, love ameister
When you have entered the Hibernation Chamber through the windmill door, the blaster is in the arms locker at the upper right of the chamber. Get it and take the elevator down to fight the boss plant monsters.
you use the Weed Whacker or the Toxic Blaster
how to do the bridge terminal on poptropica's steamworks island
For most of the monsters, you can use the weed-whacking attachment on your mech. If that doesn't work, shoot them with the toxic blaster attachment.
the crab on steamworks island is next to the living quarters
you go in it
Beat the island.
Steamworks Island.
steamworks island
go onto youtube and search video walkthrough for steamworks
It's Steamworks Island #14th Island