Breyer Stablemates Mystery Foal Surprise. Open the stable door to reveal the mystery foal. Each family has a foal waiting to be discovered by you. Collect all three sets! Come visit the exciting world of Breyer Stablemates where new friends and new adventures are waiting for you! Set up your own farm and build your own town. There are barns, an animal hospital and more! Just add a little imagination, and have fun! Breyer Stablemates feature authentic breed confirmation and hand-painted details just like all other Breyer models. Collect and play with all the horses and fun accessories from the world of Stablemates.