Monster High Frankie Stein Pop! Vinyl Figure:How do you boo? From the classrooms of Monster High comes Frankie Stein as an all too adorable 3 3/4-inch tall Pop! Vinyl Figure! The daughter of Frankenstein and his bride is decked out in her stylish plaid dress, silver and black hair, and matching shoes. The Monster High Frankie Stein Pop! Vinyl Figure comes packaged in a window display box.