Lego faces angrier? New study says fewer smileys, more mad expressions. (PHOTO)
Lego Faces Are Getting Angrier | Smart News| Smithsonian Magazine
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BrickLink - Part 3626bpx302 : LEGO Minifigure, Head Male Angry Eyebrows and Scowl, Black Chin and Left Cheek Dimples Pattern - Blocked Open Stud [Minifigure, Head] - BrickLink Reference Catalog
Legos Are Getting Angrier And That's Not Funny, Study Says : The Two-Way : NPR