Zulily: Up to 30% Off Kids Halloween Costumes (Limited Time)August 20, 2013 By Kelli This post may contain affiliate links or sponsored content, read our Disclosure Policy. Facebook Twitter Pinterest LinkedInGo over here to check out the kids Halloween costumes available for up to 30% off on Zulily! Prices are as low as $12.99. I must admit the Dorothy and Batman were my favorites. Head on over to see what you can find.Thanks, Mojo Savings!