The world of sci-fi is a big place and Spirit Halloween has a wide selection of Sci-Fi and Fantasy Boys costumes that are ready to place you any of your favorite universes! Immerse yourself in the galaxy far far away with any of our Star Wars costumes like the Kids Darth Vader Deluxe costume or the Kids Luke Skywalker Deluxe costume. Enroll in Hogwarts as you’re dressed as everyone’s favorite wizard in the Kids Harry Potter Robe. Want to become the most ferocious dinosaur from Jurassic World? Place yourself in the Kids T-Rex Inflatable costume or the Kids Dinosaur costume and roar to get the maximum amount of candy from each house. No matter what sci-fi movie is your favorite this year, Spirit Halloween will have any costume that you need to become your favorite character!