The review - into the sexualisation and commercialisation of childhood - was commissioned by the Prime Minister David Cameron and is due out on Monday.
The loudest protest against the range came from the US, where the Spark movement against the sexualisation of girls and young women organised a petition with more than 50, 000 signatures calling on Lego to change its marketing strategy.
The prime minister's adviser on preventing the sexualisation and commercialisation of childhood, Conservative MP for Devizes Claire Perry, has reportedly urged parents to challenge their children about their mobile phone and social media usage to ensure they are not sending inappropriate messages.