Nendo describes some of the designs:
One part of the bookshelf is frozen in a tumbling cascade, creating variety in the way books can be stacked. The stool's twist endows it with rich visual play. Lamps roll about but are stable, thanks to their planes, and cast light in many directions. The table leans as though falling away, but maintains its function as a table, and makes objects placed on it seem to sink into its folds and sways.
The sense of motion, or rather dance is achieved through the clever positioning of the planes, resulting in a combating balance. My personal favourite would have to be the square open basket.
Nendo have also recently introduced the Dancing Squares collection to the NTCRI exhibition in Taiwan as a combination piece.