Six Red Marbles focuses on interactive education. They have worked with most (if not all) textbook publishers in the US. A few years back they found themselves growing. They moved to a new locations and had many new hires that were experts textbooks and curriculum.
A number of large scale postcards were produced to announce the new "marbles" and to promote some of their recent projects. The look of the brand was expanded beyond just the logo. A marble-ish red graphic was combined with a structured grid pattern to combine a feeling of fluidity and structure. These two qualities are important aspects of online learning.