By three years of age, most children have the hand control to copy a circle and a straight line. Most children are able to feed themselves completely by this age, and they will probably be able to dress and undress themselves, as long as they can reach the buttons, snaps, hooks, etc. Most children will be much better at undressing than dressing at this age. During the period from three to four years, children will become very skillful in motor activities. They will probably be able to jump lifting both feet off the ground, and they will enjoy trying new skills like standing on tiptoe and hopping.
Most children can ride a tricycle using the pedals after three years of age.
Most children this age will probably be able to throw a ball to an adult standing five feet away. Most children can name at least one color correctly by this age. Memory continues to improve, and by three and a half years of age, most children can count to three and can recall things that happened in the recent past. This is also the age at which most children will know what sex they are, and they will be able to name most of their body parts. During the period from three to four years, verbal skills increase rapidly.