1. Introduction/ Preface -- 1.1 Project's origins -- 1.2 Brief overview of the book’s organization -- 2. Theoretical Frameworks -- 2.1 Why are visualization skills important? -- 2.2 Research methodology -- 2.3 Spatial Operational Capacity framework -- 2.4 School and classroom context -- 2.5 Pre-program interview -- 3. Introductory Activities -- 3.1 Four block houses -- 3.2 The Soma puzzle fig…