Have you got a flair for designing in 3-D? Orange Tumbling Blocks Sketchbooks offer a way to design that may inspire some new creative development in your drawing. As the blocks tumble down the page, your sketch creations take on a whole new life! Give them a try and you'll surely keep this sketchbook within reach at all times. This book is 8.25 x 8.25 inches. There are TEN sizes of this title available on Amazon.com. You can review all of them at our website: www.DesignInOrange.com.