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Trick or treat, trick or treat, these kids Halloween costumes can't be beat! Let the kids become their favorite characters from television, movies, and video games with our wide selection of children's Halloween costumes for 2018. From babies to toddlers to teens, The Costume King has your children covered from head to toe. From mermaids to warriors to royal daughters, all the most popular Disney princesses are here with our variety of colorful girls Halloween costumes. They'll be ready for the ball and ready to trick or treat in their finest gowns and dresses! You’ll also find costumes for girls that transform them into popular super-powered heroines from the Justice League and the Avengers, as well as dozens of other traditional and trendy selections. For the boys, we offer a full lineup of fun and frightening options that will make them feel like the coolest kid in the neighborhood. With our boys Halloween costumes, they’ll be able to hunt down the most delicious candy, scare up savory treats, and share non-stop excitement while cloaked as characters ranging from Spider-Man and Spongebob to Bumblebee and beyond! And don't forget baby! We offer kids costumes for sale covering every age, including newborns, infants, and toddlers. Dress up the little one and take a stroll and just watch the smiles for your adorable puppy, amazing super-hero, pretty little princess, or whatever Halloween costumes for baby you’re looking for.