This perfect concept book teaches not only shapes, but also colors, numbers, and words--all in one bright and colorful package Learning shapes has never been as much fun as it is in this clever die-cut board book from master artist Yusuke Yonezu. All the circles in this book--big, small, and in numerous different colors--transform into a surprising array of objects when the page is turned. It's a fun concept book that will engage young children over and over.