Paul Farrell's stackable cards are fun for all the family Build a skyscraper using the beautifully-designed cards, with only your imagination to limit you. Each pack contains 64 cards (105 x 69 mm) in 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 booklet, with descriptions of the key elements of a skyscraper and suggestions of how to build your masterpiece.You can go traditional or get abstract and construct your own crazy high-rise! Renowned illustrator Paul Farrell has designed these cards in a cool, graphic style – turning the image of a skyscraper into a work of art. Fun, educational, creative and mindful. The sky's the limit!