Not only are these little girls adorable but they can also sing.  GoldieBlox believes that girls don't just need pink toys, dolls, and princesses but should also have toys that inspire creation and invention.

Music is set to Beastie Boys 'Girls' with a twist on the lyrics.

They also tapped into Rube Goldberg, the guy behind OK GO's music video contraption to help transform the house.

 

GoldieBlox, Rube Goldberg, & Beastie Boys 'Princess Machine'