Vincent Van Gogh and the Starry night. Rather than each doing our own versions of it, we decided to each do one part. The drawing was divided into squares (about 8 inches each) and then glued together after coloring to make a big mural for the hallway.
My amazing seemstress mother in law made the boys shirts for the party. They could not be cuter. I ordered the hats on oriental trading and simply stuck an octonauts logo sticker on the front. The characters are all done on cheap poster board and pieced together. I used an opaque projector to speed up that process because he had to have the whole crew..