What are ATCs Jan 5, 2008 8:59:26 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by toonMom on Jan 5, 2008 8:59:26 GMT -5 Simple... they are 2.5" x 3.5", the same size as a standard sports card. You created them yourself in any way that you would like and trade them with other artists/card makers.
