This activity involves testing blocks of different shapes to see how they can be balanced. Give blocks of various shapes and sizes to the children and encourage them to think about and describe how they are stacking the blocks in order to balance. A materials list, internet resources, standards, and safety practices are provided. This book selection also includes the Table of Contents, Preface, About the Editors, Introduction, Simple Graphing for Young Children, Science Teaching Boards and Boxes, Basic Materials List, and Index.