We live in a three-dimensional world, but many of our learning environments offer few opportunities for three-dimensional exploration and developing the spatial reasoning that is integral to everyday life and to closing the achievement gap. Developing these skills in children will cultivate their curiosity, persistence, and intellectual capacity beyond the narrow definitions of academic achievement. Exploring the 3-D World covers br li current research on the effectiveness of developing spatial skills in the early years li li the essential components of playful exploration li li key spatial skills that are important for children to learn li li how visua ..