Philip Flockhart of Edinburgh firm Ian Begg Architects was last week's champagne winner, identifying Dominique Perrault's Bibliotheque Nationale in Paris, and a French Poodle. This week's clue: Ball beefed up with gravity. Identify Kennel, architect and canine. Answers on a postcard (preferably doggy) by Monday morning to AJ Astragal, 151 Rosebery Avenue, London EC1R 4QX. Or in emergency fax 0171 505 6701.