Amorphous Bricks are items required to build some Buildables. They are randomly dropped by enemies and Smashables and are constructs of pure Creativity that can be formed into any type of Brick via the application of more Creativity. However, Amorphous Bricks only hold together as specific parts for a certain amount of time before reducing back into Inspiration Sparks and "gaseous" Creativity, which drifts away as blue and green sparkles and wisps.