Amscan Amscan is the world's largest designer and manufacturer of party products and supplies including balloons, fancy dress and dress up, in-fact they are a proud supplier of everything Party!!  From Halloween to Christmas they will have something for everyone. Amscan carry many licenses such as Disney, Marvel, DC Comics through to Mattel and Nickelodeon, so if you are after a particular outfit for a particular occasion then you will find your particular thing here online with us, so get ready to be Batman or Superman or a walking zombie at your next family gathering.