Whether "Harry Potter", "Kevin - Home Alone" or the "Titanic" - almost everything can be rebuilt from LEGO bricks. On the occasion of LEGO's 90th birthday, Kabel Eins travels to the company headquarters in Billund and asks questions like: How did LEGO become one of the largest toy manufacturers in the world? Will LEGO made of plastic soon be history? And who is behind the ideas? Fans like Guildo Horn, Panagiota Petridou or Eko Fresh comment on the brand's ten biggest milestones.

• Documentary