Become the Master of the Universe when you build Eternia's mythical fortress and reveal the secrets hiding within Castle Grayskull!

Every detail of this castle has been faithfully recreated, right down to the working elevator, turrets, and throne room with trap door. The Jawbridge is even activated by the Power Sword. Build this massive fortress using 3,802 pieces, then battle for Eternia with the six included micro action figures: He-Man, Skeletor, Man-At-Arms, Beast Man, the Goddess, and the Sorceress.

• Mega Construx Signature Series with premium detail and 3802 pieces
• Buildable Castle Grayskull that folds open and closed, with three floors and six areas, throne room, command center, dungeon, two secret doors, and working Jawbridge, elevator, and turrets
• Jawbridge is activated by the Power Sword
• Throne room features its iconic trap door
• Six highly detailed, super-posable micro action figures include He-Man, Skeletor, Man-At-Arms, Beast Man, the Goddess, and an exclusive Sorceress, signature weapons and interchangeable accessories including iconic weapons rack and the Orb of Grayskull
• He-Man, Skeletor, Man-At-Arms, Beast Man, and the Goddess figures feature exclusive decoration
• Includes deluxe vintage-inspired packaging, collector's poster, and a MEGA Construx easter egg

©2022 Mattel