The main reason for the long-lasting popularity of Lego bricks is their versatility. A back-of-the-envelope calculation will reveal that six bricks of 2 x 4 studs can be combined in almost 1 billion ways. And because Lego bricks made today still interlock with those first made in 1958, the year the toy was first patented, the possibilities for creative play are, quite literally, innumerable.

Two years before the patent that would turn Lego into the world’s favourite toy company, a man called Malcom McLean made the same discovery as Ole Kirk Christiansen, the inventor of Lego. McLean was not in the business of making children’s toys, however, but of shipping goods. On 26 April 1956 he was watching his idea come to fruition: in Newark, New Jersey, a crane was lifting fifty-eight aluminium metal boxes into an old tanker ship.