Per 
Item #: SCP-3966
Object Class: Euclid
Special Containment Procedures: SCP-3966 must be contained in a 7m x 7m x7m containment box, with air pressured walls made of tungsten. Recreational objects such as any toddler toy have also been provided. SCP-3966 is to be socialized weekly by on site-researchers. Personnel wishing to provide SCP-3966 with additional recreational objects are to purchase them using their own funds.
Description: SCP-3966 is a sentient doll, capable of transforming into "beast" defined as SCP-3966-2. The doll has green color fabric all over her body, with different shades of green to define the clothing.
SCP-3966 in her doll form (SCP-3966-1) is very docile, SCP-3966-1 is defined as playfull and acts like a toddler.
SCP-3966 in her beast form (SCP-3966-2) is extremely hostile, subjects in SCP-3966-2's field of view will be hunted and eaten. SCP-3966-2'S method of killing is by decapitating the victim's head, then eating it.
The doll was found at ████████ in Oct/██/20██
