Yeah, I never understood this. It was also an infinite loop which is never a good idea unless it's a song. I appreciate the creativity, I suppose. The voices were quite nice. I thought those were the shapes' shadows at first. I then realize it was just another of the same shape.
Um, room for improvement? This was all I could say about this. It has what you'd want in a shape cartoon. I was never into them. I liked the around joke though.