What is the special LEGO Movie 1x1 element shown in the Channel 4 documentary 'Inside LEGO at Christmas'?

I recently watched the UK Channel 4 documentary 'Inside LEGO At Christmas' and in it, one of the employees of Bright Bricks showed a tall 1x1 element that he described as a brick that Lego came up with for The Lego Movie set.

It can be viewed on YouTube here @7:17

  • Is this element included in any commercially available sets?
  • Is it indexed on Bricklink?

I have done several web searches for other references and also searched Bricklink but have been unable to find any other information about it.

mcqwerty
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