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