This age growth rate decreased significantly. The proportion of the body will change from the characteristics of the infant, obviously, the arms and legs are long, the head will scale with body, broad shoulders, hands and feet are bigger. Solid skeleton, muscles grow strong. At the end of the movement in various parts of the body better, such as known for dress wear shoes and shower, comb your hair yourself in 3-4 years. Will start to walk firmly. Then be interested in running, jumping, trapeze. At this stage, can learn to pedal tricycle. Jump rope and practicing dance now, etc..