Does any one know how to complete the quest "The Engine" given by Billy? It is in the quest series to unlock the Mountain area. I'm at the stage were I can't progress much without it. Everything I need for my street now needs rocks and I can't get them without the mountain gate. Please help!
As detailed in this forum post you need the following things to complete "The Engine"
I presume because you have this quest that you already have the Magic Gem which was the quest reward from the previous quest "Family Heirloom" given by Pepin. If not, you might heed this advice: