Paul Farrell's stackable cards are fun for all the family. Glass, concrete, windows, walls, roofs and more - create your own inner city masterpiece.Each pack contains 64 cards (105 x 69 mm) of a variety of graphic designs. Clever paper engineering allows you to slot the cards together, building up and out in whichever way you like! Also included is a short 10 page booklet, with descriptions of the card designs and suggestions of stacking methods. The instructions tell you how to build a skyscraper, or you can let your imagination run riot and design your own!Renowned illustrator Paul Farrell has designed these cards in a cool, graphic style - turning the image of a castle into a work of art.