Children typically achieve motor milestones in a predictable sequence, although the exact timing can vary. Key milestones include: - Newborns: Reflexive movements, such as grasp reflex and Moro reflex. - 3-4 months: Lifting head and chest while on the tummy. - 6-7 months: Sitting without support. - 8-10 months: Crawling or scooting. - 12-15 months: Walking independently. - 2-3 years: Running, climbing, and starting to jump. - 4-5 years: Hopping on one foot and beginning to skip.