- Starts to build a sense of their own body through self-directed movement play on the floor – on back, side and tummy – kicking, waving, reaching, grasping, rolling
- Gradually develops ability to hold up own head
- Makes involuntary movements with arms and legs which gradually become more controlled
- Follows and tracks a sound or moving object, moving head and eyes
- When lying on back, plays with hands and grasps feet, alternating mouthing hands/feet with focusing gaze on them, and vocalising
- Reaches for, touches and begins to hold objects, developing later into being able to release grasp (proprioception)
- Rolls over from back to side, gradually spending longer on side waving upper leg before returning to back
- Develops roll from back right through to front, gradually becoming happy to spend longer on tummy as able to lift head for longer
- Explores objects with mouth, often picking up an object and holding it to the mouth for lips and tongue to explore (mouthing)
- When lying on tummy becomes able to lift first head and then chest, supporting self with forearms and then straight arms
- Starts to creep (belly crawl commando-style) from prone (on tummy) position on the floor, often moving backwards before going forwards (proprioceptive and vestibular)
- Becomes increasingly able to communicate, both expressing and responding through body movements, gesture, facial expression and vocalisations