Masters of the Universe Building Set - Bundle with 3 Skeletor Skulls Mystery Playsets, Plus Stickers, More | He-Man Construction Toy Party Favors. This Masters of the Universe building set party favors includes 3 playsets depicting Skeletor's Skull. Each construction kit includes a miniature toy vehicle and tracks to build your own playset. Enjoy the mystery of opening these Masters of the Universe building sets to reveal mini toy vehicles of favorite Masters of the Universe characters including He-Man, Trap Jaw, Fisto and more. Sure to be a hit with all Masters of the Universe fans, these building constructions kits are great to use as party favors, party supplies, goodie bag fillers, loot bag stuffers, and more. Officially licensed Masters of the Universe building party favors for boys. Set also includes Rex-Man and a Rex-Man superhero door hanger.