I used to believe that there tiny little people playing tiny little instruments and singing inside my radio! (theletteredcottage.net)
On the human front, teenaged girl Mary Katherine (voiced by Amanda Seyfried), who prefers to go by «M.K.» nowadays, makes the journey to the remote forest home of her nerdy, widowed, estranged scientist father (Jason Sudeikis), a man obsessed with proving that an advanced society of tiny little people exists. (dvdizzy.com)
To get an idea of the scale, check out the picture on the left - yes those are teeny tiny little people in the shaft! (treehugger.com)