M Is Magic: Magnetic Expanded Dime Shell for Penny 100% SATISFACTION GUARANTEE. This is a top product that can be used by professional magicians either as a part of your show, or perhaps as an instructional tool. Great trick to add to your repertoire if you do not already have it. Can also be used in conjunction with existing illusions. Also recommended for aspiring magicians who want to entertain boys, girls, adults, or nearly any audience. Get amazing reactions! Entertain crowds of nearly any sort. Great price, BUY NOW and SAVE!