<prompt> Handedness develops by age of2 years3 years4 years5 years  <response>: Handedness is usually established by the 3rd year. Frustration may result from attempts to change childrens hand preference, Variations in fine motor development reflect both individual proclivities and different oppounities for learning. Children who are seldom allowed to use crayons, for example, develop a mature pencil grasp later.Refer: Nelsons Textbook of Pediatrics, SAE, 1st edition, pg no. 77 