Build Epic Battles: Buildable Castle Grayskull from the Masters of the Universe film. Assemble Your Army: Bring your scene to life with 16 NanoWorld figures featuring swappable poses, including He-Man and Skeletor. Epic Special Effects: Includes light burst special parts for a display-worthy scene. Authentic Movie Details: Recreate the scene with rotating turrets to see interior battles, a buildable inner sanctum, plus extra pieces to pose figures mid-air. ​Compatible With Other Brands: Pieces combine with all building sets by Mattel Brick Shop and other name brands. ​, Manufacturer: Mattel