<p>A growing number of people are rediscovering their love of plastic bricks in later life and boosting the Danish company’s bottom line</p><p>In a cosy cafe in Kingston upon Thames on the outskirts of London, nine people gather in the early evening to drink and talk. To the casual observer it may look like a book club, but when the friends reach into their bags it’s not paperbacks they produce – but packs of Lego.</p><p>Geoff Lay, who organised the gathering, worked in software development befo