Mattel Year 2012 Monster High "Mad Science" Series 2 Pack 11 Inch Doll Set - Lab partners Cleo de Nile and Ghoulia Yelps in Lab Coats with Experiment Tubes and 2 Doll Stands Includes: Lab partners Cleo de Nile and Ghoulia Yelps in Lab Coats with Experiment Tubes and 2 Doll Stands Each doll measured approximately 11 inch tall Produced in year 2012 For age 6 and up