Object Manipulation How everyday play and manipulation support learning, practice, and flexible problem solving Read more Tool Use How children learn to use tools as their bodies grow, and how perception and goals guide exploration and problem solving. Read more Early Handwriting How learning letter shapes works together with hand and eye control as children begin writing and copying simple forms. Read more Self Recognition How infants locate touches on their bodies, map the face as reachable space, and build a sense of self through touch. Read more Spatial Fitting How children coordinate perception and action to fit objects, align shapes, and solve spatial challenges. Read more