The Monster High Lagoona Blue Mad Science Classroom Doll by Mattel in 2011 is a collector's item featuring the character Lagoona Blue with blonde wavy hair, green eyes, and a blue complexion. This articulated fashion doll stands at 11 inches tall and comes with an outfit, jewelry, shoes, and is part of the Monster High franchise. With a gothic and horror theme, this doll is part of the Classroom Mad Science product line, making it a unique addition to any doll collection.