Pharrell Williams’ Humanrace brand has collaborated with Lego on skincare and T-shirts inspired by the iconic collectibles to mark the release of “Piece by Piece,” a movie that traces the life and career of American singer-songwriter through Lego animation.

F rom The LEGO Movie franchise, to its network television competition series, to the popular LEGO video games and physical sets themselves, the toy company has proved that just ab

The toymaker has found success in fictional films. But with “Piece by Piece,” about the life of Mr. Williams, it has gotten into a new genre.