Most can also drink from a regular cup without help and without spilling. Many children that are eighteen months can walk alone, but balance will probably be unsteady. Many children this age can climb onto low furniture and push or pull a wheel toy. By eighteen months, most children can creep up stairs, and some will be able to walk up stairs if their hands are held by an adult. Most children this age can squat or stoop and then stand back up without falling.
Most children have a vocabulary of eight to ten words, including names, by eighteen months of age.
Many words may not be complete, or pronounced correctly, but are clearly meaningful. Most children this age begin to use words more and more often to express their wants and needs. After eighteen months, vocabulary increases rapidly. Highlights in Social Development Between the ages of eighteen and twenty-four months, most children like to help their parents or caretakers, and they will follow directions well. Most children this age are not, however, cooperative with other children.