Lego is a Christmas staple. Anyone with kids aged between 5 and 15 will likely be purchasing some this year. There might even be a few mums and dads who treat themselves to a cheeky slice of Lego pie.

Lego is now the world's biggest toy company, with billions of bricks being made every year. Hayley's travelled to the Lego HQ in Denmark to uncover the secrets of toy company's success. In this web ...