One of Lego's new Hobbit sets is Attack of the Wargs. The set includes two Wargs, a tree, two campfires and two rock ledges. It also includes five minifigures: Thorin Oakenshield, Bifur the Dwarf, Yazneg and two Hunter Orcs. The set retails for $49.99 and can be found here on Amazon.com and here on the Lego Shop.
Lego designer Jordan Scott explains how he created the set. The tree can be turned at different points. It also includes a magic flames the dwarves can fire at the orcs. Take a look: