Lego has been a childhood institution for decades, but the business has been growing rapidly over the last decade — so much so that it has now surpassed Mattel as the biggest toymaker in the world in terms of both revenue and profit. That's only over the first six months of 2014, though, so Mattel has time to claw back this holiday season. The empire the company has built by licensing franchises like Star Wars, Harry Potter, Marvel, DC, and more has truly paid off — not to mention its recent successful foray into the movie theater.