Darker themes in modern Lego - study
Playing with Lego is something most children love and some parents secretly enjoy.
It's harmless, creative, safe, and it's proven to help children develop spatial learning.
But new research from Canterbury University has raised some concerns.
Dr Christoph Bartneck from Canterbury University says as Lego has expanded into movie merchandising – like Batman – its toys have become angrier and more conflict-driven, to match the moods and themes of its source material.
Watch the video for the full interview.