National Geographic goes on a fun and fascinating adventure that would be the envy of any kid in the world inside the Lego factory in Billund, Denmark.

The Documentary covers many aspects of the production of the ubiquitous plastic blocks including the design team coming up with ideas on how the classic City Police Station set should be revamped and how the ‘Concept Factory’ began to combine the fun of building Lego with the fun of playing boardgames.

In the clip below you can see the various prototypes for the buildable die and the actual mold used the create the final one: a mold that