The Thor The Dark World Lady Sif Marvel Pop! Vinyl Bobble Head features the Asgardian warrior as seen in the Thor: The Dark World film as a 3 3/4-inch tall bobble head. Rendered in the adorable stylized Pop! Vinyl figure form, Lady Sif appears in her silver armor and is wielding her sword in her right hand and shield in her left hand. Ages 14 and up.