A class builds a Lego crocodile and use Raspberry Pi computers and the Scratch programming language to make it snap its jaws! Science presenter Minna Kane explains how you can plug your keyboard ...

The 12 models, which include a 2.5m high African elephant and a 3m long crocodile, have taken Lego artists over 4,000 hours to build and are made up of about 600,000 bricks. They have been ...