Groundskeeper Willie: The Simpsons Kidrobot Treehouse of Horror Matt Groening and Kidrobot join forces once again to bring you to the Simpson's Springfield in this vinyl mini-figure collection. This new series features 12 characters of the wickedest Tree House of Horror from The Simponsons Horrifyingly fun and guarantee(?) to give you that mind numbing rush of energy that is normally only possible by consuming hoards of drug store chocolate right before bed (Just Kidding!) Each mini-figure is about 3" in size. (NOTE: Due to the unique design of each figure, the actual size of the figure you receive may be slightly bigger or smaller.) For age 15 and up.