From Our Exclusive Signature Collection. Amuck! Amuck! Amuck! It’s time to cast some spells and fly into the night with this officially licensed Mary Sanderson costume. If you're looking for a new potion to brew, this exclusive costume from the Signature Collection will be sure to boost your spirits. Featuring a built-in chain neckline, a red vest with painted replica hoops, a multi-layer skirt with distressed patchwork print and woven houndstooth material, and a high-texture multicolor apron, this dress will make you look just like Mary Sanderson. Just think of all of the mischievous things that Mary has in store. At a quality as high as this, Mary Sanderson is unstoppable, and now so are you. Being a Sanderson sister can be hard, but you will learn the tricks in no time!