It all starts with a simple interlocking brick, and stacks up to a global toy empire: LEGO. Every single block has to be designed with almost inhuman accuracy and that's because every block produced not only has to fit seamlessly into the set it comes in, but also has to interlock with every single block made since 1958.
Never miss a Nat Geo moment
Join our curious community and you'll have access to some great features!
Personalised content reflecting your interests on the site
Watch exclusive videos before anyone else
Favourite content that you like or want to check out later
Free SMS and Email reminders so you never miss a show
Get notified when content that interests you is published
Share your photos on Snap! that could appear on TV
Share your thoughts and opinions on various matters
Receive a monthly newsletter with loads of great content