"Whosoever holds this hammer, if he be worthy, shall possess the power of Thor." Worthy Marvel fans can now wield the power of the God of Thunder with this fantastic 1:1 scale role-play Mjolnir. Measuring about 19 3/4-inches long, with a die-cast metal pommel, the premium Marvel Legends Thor Mjolnir Hammer Electronic Prop Replica features intricate detailing, sound effects, and a light-up lightning effect! A hidden Odin symbol illuminates when triggered by voice recognition technology. Requires 3x "AA" batteries, not included.