This set of six hardwood-framed blocks feature magnified acrylic inserts to create a customized display of items. Each square has rounded edges and corners and a smooth finish, so that little hands can play safely. The size of the boxes is graduated, with the largest block measuring 7" wide by 7" tall. All of the squares are 2" deep. Each has a different level of magnification, giving children a range of options on how to display their treasures. The set is perfect for encouraging exploration of nature, and is attractive enough to be used as an indoor display. The number of squares makes this an ideal set for individual or group play, and there are a range of possible STEM applications.