The Prodigy Barn is a shop where the Simpsons shop for Christmas. Its name is a pun on Pottery Barn.
The Prodigy Barn is an educational toy store at the Springfield Heights Promenade. Bart and Lisa went there when Homer and Marge were Christmas shopping. Bart was playing a video game where you have to blow up the state capitals; when Bart finally realizes that the game is educational he throws the remote at the TV and remarks, “That’ll teach you to teach me.”