Welcome to Halloween Express St. Peters, MO! Whether you want to find the scariest masks, funniest costume or the creepiest prop Halloween Express in St. Peters is the place to stop this upcoming 2015 season. We look forward to serving you with the best selection of costumes, props, decorations and accessories! Check back soon for more information and store locations in the St. Peters, MO area. See you soon and have a great St. Patrick's Day!