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Months 28-30

Mental Development

  • Start to understand simple explanations that you give when you say “no”
  • Talk to themselves sometimes, because it is easier to formulate their thoughts that way
  • Practice their language and understanding skills through ‘make-believe play’
  • Use sorting to classify things by size, number or colour
  • Be able to apply general principles to solve practical problems
  • Know some nursery rhymes
  • Play purposefully with dolls, cars, and other toys
  • Start to learn to count

Visual Development

  • Develop their visual skills as they continue to play with blocks or finger paints
  • Watch their hand while scribbling with crayons, which improves their eye-hand coordination
  • Know some colours
  • Recognise intricate details in pictures


28 Months

  • Weigh about 12.3 kg if she’s a girl or about 12.9 kg if he’s a boy
  • Be about 89.1 cm tall if she’s a girl or about 90.4 cm tall if he’s a boy

29 Months

  • Weigh about 12.5 kg if she’s a girl or about 13.1 kg if he’s a boy
  • Be about 89.9 cm tall if she’s a girl or about 91.2 cm tall if he’s a boy

30 Months

  • Weigh about 12.7 kg if she’s a girl or about 13.3 kg if he’s a boy
  • Be about 90.7 cm tall if she’s a girl or about 91.9 cm tall if he’s a boy

Motor Development

  • Enjoy their ability to move around so much that they may be unhappy when you restrict them
  • Like to turn knobs
  • Be able to play games and sing songs that require actions
  • Be able to unscrew lids
  • Be able to bang on a drum with a stick or make music with a xylophone
  • Start to walk downstairs with a little help and both feet on each step
  • Be able to climb on basic playground equipment such as slides
  • Hold a pencil in the preferred hand
  • Copy a circle and a simple line
  • Not yet have good control of all their muscles—they may squeeze too tightly or let go too suddenly

Social and Emotional Development

  • May be fearful of some things or situations, but unable to express their fear
  • May sometimes be jealous and show signs of anger or frustration toward a sibling
  • Be very interested in having some control over situations and experiences
  • Respond well to “order” in their environment
  • Be able to practice simple good manners, such as saying “please” and “thank you”
  • Start to understand the concept of time—that certain events occur at a particular time of day
  • Still rely on parents for reassurance
  • Shift from one emotional extreme to another, sometimes without warning
  • Still be too inexperienced to be able to make choices well
  • Not yet be able to unwind or relax easily before going to sleep

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