These magic building blocks make great calendars for the office! An overseas direct product, this item comes in four pieces with each block measuring 1 5/8" x 1 5/8" x 1 5/8". This totally customizable block calendar allows you to use your own full color images and photos. With a lifetime guarantee and a supplier that is QCA certified, this fun promotional giveaway is bound to do the trick! Be sure to check out our other rotating block items as well.